Answer is: Probability of a student getting a lunch that does not include chips is 6/12 or 0.5.
1. To find the probability of a student getting a lunch that includes chips and apple juice, we need to first find the total number of possible lunch combinations. There are 3 options for sandwiches, 2 options for sides, and 2 options for drinks, so there are a total of 3 x 2 x 2 = 12 possible lunch combinations.
Out of those 12 combinations, there is only 1 combination that includes chips and apple juice: ham and cheese sandwich, chips, and apple juice.
Therefore, the probability of a student getting a lunch that includes chips and apple juice is 1/12 or approximately 0.083.
2. To find the probability of a student getting a lunch that does not include chips, we can count the number of possible lunch combinations that do not include chips and divide by the total number of lunch combinations.
There are 3 sandwich options and 2 drink options, so there are a total of 3 x 2 = 6 possible lunch combinations without chips.
Out of the total of 12 possible lunch combinations, 6 do not include chips, so the probability of a student getting a lunch that does not include chips is 6/12 or 0.5.
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A tourist has TT $7875. She spends TT $2310 and changed the remaining Trinidad and Tobago currency to Canadian currency. Calculate the amount of money she received if the rate is CAN $1.00 = TT $3.5 *
Answer:
CAN $1590
Step-by-step explanation:
Below is the given values:
Tourist has money = TT $7875
Spending = TT $2310
Remaining money = 7875 - 2310 = TT $5565
The Canadian currency she has = TT $5565 / TT $ 3.5
The Canadian currency she has =CAN $1590
The amount of money she will receive after converting into Canadian dollars = CAN $1590
Allan can make 8 pizzas in 15 minutes at the pizza restaurant where he works. If the number of pizzas varies directly with minutes, how many pizzas can Allan make in 3 hours? Please Help
Answer:
96 pizzas
Step-by-step explanation:
Allan can make 8 pizzas in 15 minutes at the pizza restaurant where he works.
We are told that;
If the number of pizzas varies directly with minutes,
P ∝ M
P = kM
Hence:
8 = 15k
k = 8/15
How many pizzas can Allan make in 3 hours?
Convert 3 hours to minutes
1 hour = 60 minutes
3 hours = x
x = 3 × 60
x = 180 minutes
Hence,
M = 180 minutes
k = 8/15
P = kM
P = 8/15 × 180
P = 96 pizzas
Therefore, Allan can make 96 pizzas in 3 hours
E probability of observing the experiment result, a sample mean, for example, or something more unusual just by chance if the null hypothesis is true is the definition of _____________.
The probability of observing the experiment result, a sample mean, for example, or something more unusual just by chance if the null hypothesis is true is the definition of "P-Value."
What is null hypothesis?A null hypothesis is a sort of statistical hypothesis which asserts that there is no statistical significance in a particular set of observations.
Using sample data, hypothesis testing is performed to determine the believability of a theory. It really is expressed as H0 and is also known to simply as "null."
Some key features regarding null hypothesis are-
A null hypothesis is a statistical conjecture that claims there is no variation between particular qualities of a population and data-generating process.The alternate hypothesis asserts the existence of a distinction.Hypothesis testing allows you to reject the null hypothesis with a particular level of confidence.If the null hypothesis can be rejected, it lends support to the alternative hypothesis.The notion of falsity in science is founded on null hypothesis testing.To know more about null hypothesis, here
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If 24 is increased to 30, the percent of increase is how much
%.
Answer:
25%
Step-by-step explanation:
\(percentage \: increase = \frac{30 - 24}{24} \times 100 \\ \\ = \frac{6}{24} \times 100 \\ \\ = \frac{1}{4} \times 100 \\ \\ = 25\%\)
NEED HELP PLEASE WITH THIS QUESTION!!
Answer:
It would be D
because you need to multiple 3x3 to get 9 so the answer to your problem is D
Answer:
B
Step-by-step explanation:
So we are trying to find the number that is not between \(\frac{\sqrt{16}}{2}\) and 3π on the number line. To do this, lets try to find roughly (exactly if possible) that \(\frac{\sqrt{16}}{2}\) and 3π are. Lets start with \(\frac{\sqrt{16}}{2}\).
\(\frac{\sqrt{16}}{2}=\frac{4}{2}=2\)
So now, by looking at the number line, we can see that the values must be greater than 2. Now lets find 3π. Lets use 3.14 for π (3.14 is actually smaller than the actual value of π):
3(3.14) = 9.42
So we know that the value must be less than 9.42.
We can rewrite answer choice A as 2.08, with is more than 2 and less than 9.42. Therefore, it is between the two numbers on the number line.
While I do not know the exact value of √0.4, I know that it will be less than 1, making it less than 2. Therefore, it is not between the two numbers on the number line, and therefore is our answer.
Lets go through the other two answer choices though.
For C, while 9.37 is close to 9.42, it is still less than 9.42 and greater than 2, and therefore is between the two numbers on the number line.
For D, √9 can be rewritten as 3, which is between the two numbers on the number line.
Even if you did not know that answer choice B, √0.4, was less than 1, you still would have been able to find that B was the correct answer by the process of elimination.
I hope you find my answer helpful.
Suppose we are interested in analyzing the market share and customer loyalty for Murphy's Foodliner and Ashley's Supermarket, the only two grocery stores in a small town. We focus on the sequence of shopping trips of one customer and assume that the customer makes one shopping trip each week to either Murphy's Foodliner or Ashley's Supermarket, but not both. Suppose that, as part of a market research study, we collect data from 100 shoppers over a 10-week period. Suppose further that these data show each customer's weekly shopping trip pattern in terms of the sequence of visits to Murphy's and Ashley's. In reviewing the data, suppose that we find that of all customers who shopped at Murphy's in a given week, 70% shopped at Murphy's the following week while 30% switched to Ashley's. Suppose that similar data for the customers who shopped at Ashley's in a given week show that 60% shopped at Ashley's the following week while 40% switched to Murphy's. Probabilities based on these data are shown in the table below. Next Weekly Shopping Period Murphy's Foodliner Ashley's Supermarket 1 Current Weekly Shopping Period Murphy's Foodliner Ashley's Supermarket 0.70 0.30 0.40 0.60 Suppose that we are considering the Markov process associated with the shopping trips of one customer, but we do not know where the customer shopped during the last week. Thus, we might assume a 0.5 probability that the customer shopped at Murphy's and a 0.5 probability that the customer shopped at Ashley's at period 0; that is 71 (0)= 0.5 and TT2(0)=0.5. Given these initial state probabilities, develop a table showing the probability of each state in future periods. What do you observe about the long-run probabilities of each state? If required, round your answers to four decimal places. Do not round your intermediate calculations. State Probability 0 1 2 3 4 5 6 7 8 9 10 1 (n) 72(n) Probabilities are approaching T1 = and T2 =
The long-run probabilities of each state as follows:T1 = limn→∞T1(n) = limn→∞0.7229012 = 0.7229T2 = limn→∞T2(n) = limn→∞0.3121788 = 0.3122 . Therefore, the long-run probabilities of each state are T1 = 0.7229 and T2 = 0.3122.
The table showing the probability of each state in future periods is given below:
State Probability 0 1 2 3 4 5 6 7 8 9 10 1 0.5 0.58 0.624 0.6608 0.68512 0.700672 0.710403 0.716241 0.719744 0.721846 0.7229012(n) 0.5 0.42 0.376 0.3592 0.34488 0.333408 0.324677 0.318839 0.315336 0.313234 0.3121788
The probabilities of state 1 and state 2 are approaching long-run probabilities of each state.
As we see in the above table, the probabilities of states 1 and 2 are approaching long-run probabilities of each state.
The long-run probabilities are calculated by using the following formulas: limn→∞T1(n) = T1(n−1)limn→∞T2(n) = T2(n−1)
By using these formulas, we get the long-run probabilities of each state as follows: T1 = limn→∞T1(n) = limn→∞0.7229012 = 0.7229T2 = limn→∞T2(n) = limn→∞0.3121788 = 0.3122 .
Therefore, the long-run probabilities of each state are T1 = 0.7229 and T2 = 0.3122.
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If G( x ) = 3 x + 1, then G -1 (1) is...
-1/3
-4
-0
Answer:
-4
Step-by-step explanation:
3+1 = 4 so just put a dash at the start and you ger -4
what are the next three terms in the sequence3,6,9,12,...?
Answer:
15, 18, 21
Step-by-step explanation:
3, 6, 9, 12, 15, 18, 21...
3 x 5 = 15
3 x 6 = 18
3 x 7 = 21
Hope this helps! :)
2.
A relay race lasts 12. 72 miles. There are 4
runners on the relay team. If each runner
runs the exact same distance, how many
miles does each team member run during
the race?
Your answer
Answer:
The answer is 3.18 miles/runner.
Step-by-step explanation:
To solve this problem, we need to find the distance that each member of the team runs. To do this, we have to divide the total distance of the race (12.72 miles) by the number of runners on the team (4 runners).
If we perform this operation, we get:
12.72 miles/4 runners
= 3.18 miles/runner
Therefore, the correct answer is that each team member runs 3.18 miles during the race.
Hope this helps!
PLEASE HELP!! Theres two questions
John has a 12 foot ladder. He wants to lean it against a wall. He needs the base of the ladder to be 6 feet from the base of the wall. What is the measure of the angle formed with the ground? (number only. do not include the degree sign or the word degrees)
My office is 10 ft by 12 ft. I want to buy border for the top of my wall. I have a 3ft door on a 10 ft wall and a 3 ft window directly across from it. How much wallpaper border should I buy? (number only, do not label your answer)
Answer:
1) 90
2) 38
Step-by-step explanation:
1) look at the attached diagram
As you can see, the floor and the wall must meet at a 90° angle.
2) Perimeter of office: 10 + 12 + 10 + 12 = 44
Subtract the door and windows' lengths:
44 - 3 - 3 = 38 ft.
Establish a BN structure model with more than 10 nodes, and explain what is the meaning of the structure.
The BN structure model with more than 10 nodes can be established. The structure refers to the way the variables are related.
A Bayesian Network (BN) is a probabilistic graphical model that illustrates a set of variables and their probabilistic dependencies. A BN structure is made up of nodes and edges. Nodes represent variables, and edges represent the connections between the variables. The BN structure model can be established by using various algorithms, including structure learning and parameter learning.The BN structure with more than 10 nodes is a complex model with numerous variables and their dependencies. The structure's meaning is how the variables are interrelated, allowing us to estimate the probabilities of certain events or scenarios. The nodes in the structure represent various factors that affect the outcome of an event, and the edges between them demonstrate how these factors are related.The BN structure model is used in many fields, including medical diagnosis, fault diagnosis, and decision making.
The Bayesian Network structure model with more than 10 nodes is a powerful tool for analyzing complex systems. It helps to understand the interrelationships between variables and estimate the probabilities of different events or scenarios. This model is useful in various fields and provides insights into many complex phenomena.
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uno's has projected its Q1 sales at $46,000 and its Q2 sales at $48,000. Purchases equal 71 percent of the next quarter's sales. The accounts receivable period is 30 days and the accounts payable period is 45 days. At the beginning of Q1, the accounts receivable balance is $12,200 and the accounts payable balance is $14,800. The firm pays $1,500 a month in cash expenses and $400 a month in taxes. At the beginning Q1, the cash balance is $280 and the short-term loan balance is zero. The firm maintains a minimum cash balance of $250. Assume each month has 30 days. What is the cumulative cash surplus (deficit) at the end of the Q1, prior to any short-term borrowing?
Multiple Choice
$8,880
$8,633
$9,157
$9,210
$9,684
To calculate cumulative cash surplus/ deficit we need to consider cash flows during quarter, including sales, purchases, accounts receivable, accounts payable, cash expenses, taxes, initial cash,loan balances.
Calculate the total cash inflows from sales for Q1: $46,000 (Q1 sales) * 71% (purchases as a percentage of next quarter's sales) = $32,660.
Calculate the total cash outflows for Q1: $1,500 (monthly cash expenses) * 3 months + $400 (monthly taxes) * 3 months = $5,700 + $1,200 = $6,900.
Calculate the net cash flow from accounts receivable: $32,660 (total cash inflows from sales) - $12,200 (accounts receivable balance at the beginning of Q1) = $20,460.
Calculate the net cash flow from accounts payable: $48,000 (Q2 sales projection) * 45 days / 30 days = $72,000 (purchases for Q2) - $14,800 (accounts payable balance at the beginning of Q1) = $57,200.
Calculate the net cash flow from short-term borrowing: Since the short-term loan balance is zero at the beginning of Q1 and there is no mention of additional borrowing, the net cash flow from short-term borrowing is zero.
Calculate the net cash flow for Q1: Net cash flow = Cash inflows - Cash outflows = $20,460 (net cash flow from accounts receivable) - $6,900 (total cash outflows) + $57,200 (net cash flow from accounts payable) = $70,760.
Calculate the cumulative cash surplus/deficit at the end of Q1: Cumulative cash surplus/deficit = Initial cash balance + Net cash flow - Minimum cash balance = $280 (initial cash balance) + $70,760 (net cash flow) - $250 (minimum cash balance) = $71,790.
Therefore, the cumulative cash surplus (deficit) at the end of Q1, prior to any short-term borrowing, is $71,790.
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Every week, a cat shelter requires 6 pounds of cat food. How many pounds do they use in one year? (There are 52 weeks in a
year). Simplify your answer and write it as a mixed number.
329 pounds
58 pounds
23 pounds
988 pounds
Answer:
the answer is 312
Step-by-step explanation:
I used my calculator and i multiplied 6 by 52 and got 312
Could a circle have both a diameter of 7.2 inches and a circumference of 28 inches?
Answer:
no if the diameter was 7.2 inches the circumstance would be 22.62 :)
a football tadium can eat 62,005 people. if there were 58,319 people in the attendance at the game, how many eat were empty?
3,686 seats were empty. This number indicates that the stadium was not full to capacity.
1. Subtract the number of people in from the number of people the stadium can hold:
62,005 - 58,319 = 3,686
2. The answer is 3,686 seats were empty.
The football stadium was able to accommodate up to 62,005 people, but only 58,319 were in attendance at the game. This means that 3,686 seats were left empty. To calculate this, subtract the number of people in attendance from the number of people the stadium can hold. 62,005 - 58,319 = 3,686. Therefore, 3,686 seats were empty. This number indicates that the stadium was not full to capacity.
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Ast week, Shelly rode her bike a total of 30 miles over a three-day period. On the second day, she rode 4 5 the distance she rode on the first day. On the third day, she rode 3 2 the distance she rode on the second day. How many miles did Shelly ride on each day? Select your answers from the drop-down lists. On the first day, Shelly rode miles. On the second day, Shelly rode miles. On the third day, Shelly rode miles.
Answer: On the first day, Shelly rode 10 miles on first day.
On the second day, Shelly rode 8 miles.
On the third day, Shelly rode 12 miles.
Step-by-step explanation:
Let x = distance rod eon first day.
Shelly rode her bike a total of 30 miles over a three-day period.
Then as per given,
Distance rode on second day = \(\dfrac45x\)
Distance rode on third day \(=\dfrac32\times\text{ Distance rode on second day}\)
\(=\dfrac32\times\dfrac45x=\dfrac{6}{5}x\)
Total distance rode = \(x+\dfrac45 x+\dfrac65x=30\)
\(\Rightarrow\ \dfrac{5x+4x+6x}{5}=30\\\\\Rightarrow\ \dfrac{15x}{5}=30\\\\\Rightarrow\ 3x=30\\\\\Rightarrow\ x=\dfrac{30}{3}\\\\\Rightarrow\ x=10\)
Hence, She rode 10 miles on first day.
Distance rode on second day = \(\dfrac45\times10=4\times2=8\text{ miles}\)
Distance rode on third day \(=\dfrac{3}{2}\times8=3\times4=12\text{ miles}\)
Debra’s rectangular vegetable garden measures 9 1/3 yards by 12 yards. A bottle of garden fertilizer costs $14.79. If Debra needs to mix 1/8 cup of fertilizer with water for each square yard of her garden, how many cups of fertilizer does she need?
She needs 14 cups of fertiliser.
What is the area?
A two-dimensional figure's area is the amount of space it takes up. In other terms, it is the amount that counts the number of unit squares that span a closed figure's surface.
Area = length * width
Find the area of the garden:
Area = 9 1/3 * 12
= 28/3 * 12
= 112 yards²
Find the amount of the fertiliser needed:
1 yards² = 1/8 cup
112 yards² = 1/8 * 112 = 14 cups
She needs 14 cups of fertiliser.
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19=x-6 please help tysm
Answer:x=25
Step-by-step explanation:
19=x-6
+6 +6
25=x
x=25
The loudness, L, measured in decibels (Db), of sound intensity, I, measured in watts per square meter, is defined as L = 10 log StartFraction I Over I 0 EndFraction, where I 0 = 10 Superscript negative 12 and is the least intense sound a human ear can hear. What is the approximate loudness of a dinner conversation with a sound intensity of 10–7?
The correct option is Option D: the approximate loudness of a dinner conversation will be 50Db with a sound intensity 10⁻⁷.
The loudness L, ( which is measured in decibels (Db)), of the sound of the intensity I, can be calculated in watts per square meter,
L = 10 log(I/I₀)
where I₀ = 10⁻¹² which is the least intensity that a human can hear.
The sound intensity of a dinner conversation= I= 10⁻⁷
Loudness L of that conversation = 10 log (10⁻⁷/10⁻¹²)
= 10 log(10⁻⁷⁻⁽⁻¹²⁾)
= 10 log(10⁻⁷⁺¹²)
= 10 log(10⁵)
= 10*5
= 50 Db
Therefore the correct option is Option D: the approximate loudness of a dinner conversation will be 50Db with a sound intensity 10⁻⁷.
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Ronak needs to walk 1250 m to reach the market. Walking is a great way
to improve or maintain your overall health. Just 30 minutes every day can
increase cardiovascular fitness, strengthen bones, reduce excess body fat,
and boost muscle power and endurance.
(a) After travelling 2
5
of the total distance, he stops to meet his friend.
Calculate the distance he travelled.
(i) 0.200km (ii) 0.420 km (iii) 0.256km (iv) 0.500km
(b) How much distance more he has to walk to reach the market?
(i) 0.400 km (ii) 0.200 km (iii) 0.750 km (iv) 0. 250km
(c) He bought 12.5 kg of rice for Rs 56.50 per Kg. What is the amount he paid?
(i)Rs.706.25 (ii) Rs. 760.25 (iii) Rs. 710 (iv) Rs. 704.25
(d) He returned home in an autorickshaw which cost Rs 15 for 1. 25 km. What is the
total amount he paid for autorickshaw and rice?
(i)Rs. 721.25 (ii) Rs. 775 (iii) Rs. 725 (iv) Rs. 719.25
a) The distance covered after traveling ²/₅ of the total distance is (iv) 0.500km.
b) The distance Ronak needs to travel to reach the market is (iii) 0.750km.
c) The amount Ronak paid for the 12.5 kg of rice is (ii) Rs. 706.25.
d) The total amount paid for the autorickshaw and rice is (i) Rs. 721.25.
Data and Calculations:The distance being walked to reach the market = 1,250 m (1.25 km)
a) The distance covered after traveling ²/₅ of the total distance = 0.500km (1.25 x ²/₅)
b) The distance Ronak needs to travel to reach the market is 0.750km (1.25 - 0.5).
c) Rice bought = 12.5 kg at Rs 56.50 per kg
The amount he paid for the 12.5 kg of rice is Rs 706.25 (12.5 x Rs 56.50).
d) Return taxi cost = Rs 15
The total amount paid for the autorickshaw and rice is Rs. 721.25 (Rs 706.25 + Rs 15).
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Is 0.25 rounded to 0.3
Answer: Yes, round it to the nearest tenth
Please help I’ll give brainliest!!
Answer:
5 (4x+3) (4x-3)
Step-by-step explanation:
Both terms are perfect squares, so factor using the difference of squares formula
a^2 - b^2 = (a+b)(a-b)
a will be 4x, and b will be 3
Further solve and you will have your answer
Answer: \(5(4x+3)(4x-3)\)
Step-by-step explanation: Whenever dealing with a factoring problem, always take the GCF which in this case is five. Once in simplest form with the GCF taken out, it will be easy to factor.
Work :
Start by Factoring out the 5 as it is the GCF
\(5(16x^2-9)\)
Use the \(a^2-b^2 = (a+b)(a-b)\) in order to completly factor
\(5(4x+3)(4x-3)\)
That's it!
After four years of college, Erica has to start paying off all her student loans. Her first payment is due at the end of this month. Her bank told her that she has 7 years to pay off all of her loans, and that starting this month, the loans will be compounded monthly at a fixed annual rate of 9.1%. Erica currently has a total of $34,006.00 in student loans. Use the formula for the sum of a finite geometric sequence to determine Erica's approximate monthly payment.
Answer:
Therefore, the approximate monthly payment is $548.85
Step-by-step explanation:
The amount of student loans Erica currently has = $34,006.00
The duration over which Erica is to pay back the loan = 7 years
The annual interest rate for the loan = 9.1%
Therefore, we have the geometric sequence formula is given as follows;
\(A_n = P( 1 + r)^n - M \times \left [ \dfrac{(1 + r)^n-1}{r} \right ]\)
Where;
M = The monthly payment
P = The initial loan balance = $34,006.00
r = The annual interest rate = 9.1%
n = The number of monthly payment = 7 × 12 = 84
Aₙ = The amount remaining= 0 at the end of the given time for payment
Substituting the values into the above formula, , we get;
\(0 = 34006 \times \left ( 1 + \dfrac{0.091}{12} \right )^{84} - M \times \left [ \dfrac{\left (1 + \dfrac{0.091}{12} \right )^{84}-1}{\dfrac{0.091}{12} } \right ]\)
\(M = \dfrac{34006 \times \left ( 1 + \dfrac{0.091}{12} \right )^{84} }{\left [ \dfrac{\left (1 + \dfrac{0.091}{12} \right )^{84}-1}{\dfrac{0.091}{12} } \right ]} \approx 548.85\)
Therefore, the approximate monthly payment = $548.85
Your house is at point c. a post office is located directly west of your house at point d. let point e represent your school,
which is directly west of the post office. find the distance from your house to your school if cd = 1.7 miles and de = 2.4
miles.
a 3.1 miles
b. 41 miles
c. 4.3 miles
d. 5.1 miles
The distance between your house and school is 4.1 miles.
According to the given question.
Point c represents your house.
Point d represents post office which is directly west to the point c i.e from house.
And point e represents school which is west of the post office.
Also, it is given that the distance between house and post office, cd is 1.7 miles.
And the distance between the post office and school,de is 2.4 miles.
Now, if we see the attached figure we can say that
cd + de = ce
⇒ 1.7miles + 2.4miles = 4.1 miles
Hence, the distance between your house and school is 4.1 miles.
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let f (x) = ⌊x2∕3⌋. find f (s) if a) s = {−2,−1,0,1,2,3}. b) s = {0,1,2,3,4,5}. c) s = {1,5,7,11}. d) s = {2,6,10,14}.
For the function f(x) = ⌊x²/3⌋, the values of f(s) for different sets s are as follows: a) f(s) = {1, 0, 0, 0, 1, 3}, b) f(s) = {0, 0, 1, 3, 5, 8}, c) f(s) = {0, 8, 16, 40}, d) f(s) = {1, 12, 33, 77}
The function f(x) = ⌊x²/3⌋ represents the floor of x²/3. To find f(s) for different sets s, let's evaluate it for each case:
a) For s = {-2, -1, 0, 1, 2, 3}:
- For -2, (-2)²/3 = 4/3, and ⌊4/3⌋ = 1.
- For -1, (-1)²/3 = 1/3, and ⌊1/3⌋ = 0.
- For 0, (0)²/3 = 0/3 = 0.
- For 1, (1)²/3 = 1/3, and ⌊1/3⌋ = 0.
- For 2, (2)²/3 = 4/3, and ⌊4/3⌋ = 1.
- For 3, (3)²/3 = 9/3 = 3.
Therefore, f(s) = {1, 0, 0, 0, 1, 3}.
b) For s = {0, 1, 2, 3, 4, 5}:
- For 0, (0)²/3 = 0/3 = 0.
- For 1, (1)²/3 = 1/3, and ⌊1/3⌋ = 0.
- For 2, (2)²/3 = 4/3, and ⌊4/3⌋ = 1.
- For 3, (3)²/3 = 9/3 = 3.
- For 4, (4)²/3 = 16/3, and ⌊16/3⌋ = 5.
- For 5, (5)²/3 = 25/3, and ⌊25/3⌋ = 8.
Therefore, f(s) = {0, 0, 1, 3, 5, 8}.
c) For s = {1, 5, 7, 11}:
- For 1, (1)²/3 = 1/3, and ⌊1/3⌋ = 0.
- For 5, (5)²/3 = 25/3, and ⌊25/3⌋ = 8.
- For 7, (7)²/3 = 49/3, and ⌊49/3⌋ = 16.
- For 11, (11)²/3 = 121/3, and ⌊121/3⌋ = 40.
Therefore, f(s) = {0, 8, 16, 40}.
d) For s = {2, 6, 10, 14}:
- For 2, (2)²/3 = 4/3, and ⌊4/3⌋ = 1.
- For 6, (6)²/3 = 36/3 = 12.
- For 10, (10)²/3 = 100/3, and ⌊100/3⌋ = 33.
- For 14, (14)²/3 = 196
The values of f(s) for the given sets show how the function ⌊x²/3⌋, which represents the floor of x²/3, behaves for different inputs.
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you are going to test the hypothesis that the mean spending is the same for the two populations using the holiday sales data for thanksgiving weekend shoppers. what is the test statistic? do not assume that the population variances are equal.
By using the concept of testing of hypothesis, it can be calculated that
The required test statistic is t = 0.918
What is testing of hypothesis?
Suppose, there is a hypothesis and there is a data at hand. Testing of hypothesis is a method of inferencing which is used to decide whether the given hypothesis is true or not based on the statistical data given
From the table attached here, it can be calculated that
\(\bar{x}_{2012}=365.4667\\s^{2}_{2012}=27133.66364\\\bar{x}_{2013}=331.775\\s^{2}_{2013}=29750.53782\\n_{2012}=45\\n_{2013}=40\\\)
So the test statistic t is
\(\large t=\frac{\bar{x}_{2012}-\bar{x}_{2013}}{\sqrt{\frac{s^{2}_{2012}}{n_{2012}}+\frac{s^{2}_{2013}}{n_{2013}}}}\)
\(t=\frac{365.4667-331.775}{\sqrt{\frac{27133.66364}{45}+\frac{29750.53782}{40}}}\)
\(t \large =\frac{33.6917}{36.6978711}\)
t = 0.918
The value of the test statistic is 0.918
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Each small square on the grid is 1 cm squared. Which estimate best describes the area of this figure?
O 15 cm2
O 20 cm2
O 25 cm 2
O 35 cm2
Write 40n as the product of its prime factors.
Answer
Answer quickly please.
Answer:
Prime numbers are those that only have two factors, the number itself and 1. The two factors cannot be the same. E.g. 2 is a prime number but 1 is not.A prime factor is when a prime number is a factor of another number e.g. 2 is a prime factor of 12. So when told to write a number as a product of its prime factors, you need to show all the prime numbers that can multiply together to make that particular number.So 40 as product of prime factors:2x2x2x5 or 2^3 x5 -----> diagram
. A television is advertised for sale at 33% off. The original price is x dollars. (a) Write two different equivalent expressions to represent the sale price of the TV. (b) What do the two different expressions reveal about the relationship between the sale price and the original price
Answer:
x-(x times 33%) or x times (100-33)%
Step-by-step explanation:
A group contains n men and n women. how many ways are there to arrange these people in a row if the men and women alternate?
A group contains n men and n women. 2n! number of ways are there to arrange these people in a row if the men and women alternate. Arrangement is known as permutation.
A permutation of a set in mathematics is, broadly speaking, the rearrangement of its elements if the set already has an ordered structure into a sequence or linear order. The act or procedure of altering the linear order of an ordered set is referred to as a "permutation."
When the order of the arrangements counts, a permutation is a mathematical technique that establishes the total number of alternative arrangements in a collection. Choosing only a few items from a collection of options in a specific sequence is a common task in arithmetic problems.
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