The sampling procedure being used to collect completion time data in this scenario is based on paired samples or dependent samples.
In paired samples, each observation in one sample is uniquely linked or paired with an observation in the other sample. In this case, the workers are randomly selected, and each worker is assigned to use both production methods, one after the other. The completion time for each worker is measured under both methods, creating paired or dependent observations.
By using paired samples, the company can compare the completion times of the same workers using different production methods. This approach helps eliminate individual differences and other sources of variability among workers, focusing solely on the comparison between the two methods.
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which number is not divisible by 10?
60
502
150
220
MARKING BRAINLIEST
Answer:
502
Step-by-step explanation:
502 divided by 10 = 50.2
Answer:
502
Step-by-step explanation:
60/10 = 6
502/10 = 50.2
150/10 = 15
220/10 = 22
x-2y = 1
3x-6y=3
Solve by substitution
Show work
Answer:
infinite number of solutions
Step-by-step explanation:
x - 2y = 1 ( add 2y to both sides )
x = 1 + 2y → (1)
3x - 6y = 3 → (2)
substitute x = 1 + 2y into (2)
3(1 + 2y) - 6y = 3 ← distribute parenthesis on left side and simplify
3 + 6y - 6y = 3 ( subtract 3 from both sides )
0 = 0 ← true statement
this indicates the system has an infinite number of solutions
€1 = £0.90. Change €587 into £.
Answer:
£528.3
Step-by-step explanation:
If €1 = £0.90 then €587 = 587 * £0.90
587 * £0.90 = £528.3
Is 3 square root of 5 + 2 square root of 5 a rational number?
Answer:
Please mark me the brainliest
Step-by-step explanation:
Yes, 3√5 + 2√5 can be simplified to a rational number.
To simplify, we can combine the terms that have the same radical expression (in this case, √5). This gives:
3√5 + 2√5 = (3 + 2)√5 = 5√5
So 3√5 + 2√5 is equal to 5√5. While 5√5 is not a rational number, it can be simplified further by rationalizing the denominator. We can do this by multiplying both the numerator and denominator by √5:
5√5 = 5√5 x √5/√5 = 5√25/√5 = 5(5)/√5 = 25/√5
Now we have a rational number, 25/√5, which can be further simplified by multiplying the numerator and denominator by √5:
25/√5 = 25/√5 x √5/√5 = 25√5/5 = 5√5
Therefore, 3√5 + 2√5 simplifies to 5√5, which can be further simplified to 5√5 or 5 times the square root of 5. Although the final result is not a rational number, the expression itself can be simplified to a rational number.
Answer: the expression itself can be simplified to a rational number.
Step-by-step explanation:
please help i’ll give brainlest
Answer:
I think is c
Step-by-step explanation:
since I think that
Find the 26th term of an arithmetic sequence with \large a_1=-33 and \large d=4. a-130 b71 c-129 d67
Tn = a + ( n- 1 ) d
T 26 = -33 + ( 26 - 1 ) 4
T 26 = -33 + ( 25 x 4 )
= -33 + 100
= 67.............. Option D
Kate buys a wheelbarrow priced at $53. Shipping and handling are an additional 30% of the price. How much shipping and handling will Kate pay?
Answer:
$15.90
Step-by-step explanation:
30% of 53 is 15.90
The product of a number and is 3 Find the number.
Your answer
I will mark brainliest for the best answer. I will also report bad answers. 100 points for good answers!
An investment portfolio is shown below.
Investment Amount Invested ROR
Savings Account $3,200 2.1%
Municipal Bond $4,900 4.5%
Preferred Stock $940 10.5%
Common Stock A $1,675 −3.5%
Using technology, calculate the weighted dollar amount of the savings account.
A) −$58.63
B) $58.63
C) −$67.20
D) $67.20
Answer:
Step-by-step explanation:
it would be : B
The weighted dollar amount of the savings account, using proportions, is given by the following option:
D) $67.20.
What is a proportion?A proportion is a fraction of an amount, and this fraction is combined with the unit rates in the context of a problem, along with basic arithmetic operations, especially multiplication or division, to find the desired amounts in the same context of this problem.
To find the weighted dollar amount of an investment, proportions are applied, as the amount is the investment multiplied by it's rate of return, abbreviated by ROR.
Regarding the savings account in this problem, it is found that:
The investment was of $3,200.The rate of return was of 2.1% = 0.021.Hence the weighted dollar amount of the savings account is obtained as follows:
0.021 x 3200 = $67.20.
Meaning that option D is the correct option.
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2. Prepare a journal entry dated December 31 to record the fair value adjustment for the portfolio of available-for-sale debt securities. Carperk had no available-for-sale debt securities prior to this year.
Available-for-sale debt securities are financial instruments that a company holds for investment purposes but not necessarily for immediate resale. On December 31, Carperk made a journal entry to record the fair value adjustment for their newly acquired portfolio of available-for-sale debt securities.
Available-for-sale debt securities are financial instruments that a company holds for investment purposes but not necessarily for immediate resale. Their fair value, which represents the market value of the securities, needs to be adjusted at the end of each reporting period. In this case, Carperk did not have any available-for-sale debt securities prior to this year, indicating that they acquired these securities during the current year.
To record the fair value adjustment for the portfolio of available-for-sale debt securities on December 31, Carperk would make the following journal entry:
Debit: Fair Value Adjustment (Income Statement)
Credit: Available-for-Sale Debt Securities (Balance Sheet)
The debit to the Fair Value Adjustment account represents the increase in fair value of the debt securities. This adjustment is reported in the income statement as a component of comprehensive income. On the other hand, the credit to the Available-for-Sale Debt Securities account reduces the carrying value of the securities on the balance sheet to reflect their new fair value. The difference between the previous carrying value and the adjusted fair value is recorded as a unrealized gain or loss in the comprehensive income section of the financial statements.
It is important to note that the specific amounts and accounts used in the journal entry would depend on the information provided, such as the fair value adjustment amount and the specific accounts used by Carperk for their available-for-sale debt securities.
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which is the next leap year after to 2017
Answer:
2020
Step-by-step explanation:
Answer:
2020 i think i hope it is the right answer for you
A heficopter is ascending verticaly y with a speed of Part A 5.69 m/s. At a beight of 130 m abovo the Earth, a package is dropped trom the helcopter. How much time does it take for the package to reach the ground? [Hint. What is v
0
for the package?] Express your answer to throe significant figures and include the appropriate units.
A helicopter ascends vertically at 5.69 m/s, dropping a package at 130 m. Calculating the time taken by the package to reach the ground is easy using the formula S = ut + 0.5at².where s =distance 3,u=initial velocity, a=acceleration The package takes 5.15 seconds to reach the ground.
Given information: A helicopter is ascending vertically with a speed of 5.69 m/s.At a height of 130 m above the Earth, a package is dropped from the helicopter. Now we need to calculate the time taken by the package to reach the ground, which can be done by the following formula:
S = ut + 0.5at²
Here,S = 130 m (height above the Earth)
u = initial velocity = 0 (as the package is dropped)
v = final velocity = ?
a = acceleration due to gravity = 9.8 m/s²
t = time taken by the package to reach the ground.Now, using the formula,
S = ut + 0.5at²
130 = 0 + 0.5 × 9.8 × t²
⇒ t² = 130 / (0.5 × 9.8)
⇒ t² = 26.53
⇒ t = √26.53
= 5.15 s
Therefore, the package will take 5.15 seconds to reach the ground.
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the list shows the weight in pounds of 6 puppies at birth. 3, 1.6, 2.8, 2.5, 1.7, 2.8 what is the mean absolute deviation of these numbers?
What is a algebraic expression of a number 5 time a number
16^2+8^2=
Show what you did
Answer:
Step-by-step explanation:
(16*16)+(8*8)
16. 8
16. 8
—————-
96. 64
160
—————-
256+64=320
Answer:
320
Step-by-step explanation:
16^2 + 8^2 = 16 * 16 + 8 * 8 = 256 + 64 = 320
Plz help this is worth 30 points
Answer:
Choice A
Step-by-step explanation:
Factor Out The GCF: 27p+24x-9
Answer: 9p+8x-3
Step-by-step explanation:
Take your equation
27p+24x-9
3(9p+8x-3)
A nursery owner buys 9 panes of glass to fix some damage to hes greenhouse. The 9 panes cost 25.65 $. Unfortunately, he breaks 2 more panes while repairing the damage. What is the cost of another panes of glass?
Question content area bottom
Part 1
Another 2 panes of glass cost x $
enter your response here.
Answer:
For 2 more panes of glass it will cost $5.70.
Step-by-step explanation:
To find the price of each pane of glass you take the total price/ total panes of glass.
25.65/ 9 = $2.85.
If he wanted one more pane of glass it would be $2.85 but since you asked for two you multiply by 2 and get $5.70. Hope this helps!
a fruit company delivers its fruit in two types of boxes large and small A delivery of two large boxes in 3 small boxes has a total weight of 78 kg A delivery of 6 large boxes and five small boxes has a total waste of 180 kg how much does each type of box weigh
Let the weight (in kg) of a large box be 'x' and the weight of a small box be 'y'.
Given that the weight of 2 large boxes and 3 small boxes is 78 kg,
\(2x+3y=78\)Also given that the weight of 6 large boxes and 5 small boxes is 180 kg,
\(6x+5y=180\)Here we will apply the Elimination Method to solve both the equations.
Consider the three times the first equation being subtracted from the second equation,
\((6x+5y)-3(2x+3y)=180-3(78)\Rightarrow6x+5y-6x-9y=180-234\)Simplify the terms,
\(-4y=-54\Rightarrow y=\frac{54}{4}=13.5\)Substitute this value in the first equation,
\(2x+3(13.5)=78\Rightarrow2x=78-40.5\Rightarrow2x=37.5\Rightarrow x=18.75\)Thus, the larger box weighs 18.75 kg while the small box weighs 13.5 kg
i need help ;^; please im no big brain
Answer:
\(18\sqrt{3} + 55\sqrt{3} = 73\sqrt{3}\)
Step-by-step explanation:
27= 3 * 3 * 3
75 = 3 * 5*5
18 sqr 3 + 55 sqr 3 = 73 sqr 3
there is no prior information about the proportion of americans who support gun control in 2018. if we want to estimate 95% confidence interval for the true proportion of americans who support gun control in 2018 with a 0.36 margin of error, how many randomly selected americans must be surveyed? answer: (round up your answer to nearest whole number)
Answer:
Step-by-step explanation:
To estimate the required sample size for estimating the true proportion of Americans who support gun control in 2018 with a 95% confidence level and a margin of error of 0.36, we need to use the formula:
n = (Z^2 * p * (1 - p)) / E^2
Where:
n = required sample size
Z = Z-score corresponding to the desired confidence level (for 95% confidence level, Z ≈ 1.96)
p = estimated proportion (since we have no prior information, we can use p = 0.5, which gives the maximum sample size required)
E = margin of error
Substituting the values into the formula:
n = (1.96^2 * 0.5 * (1 - 0.5)) / 0.36^2
n = (3.8416 * 0.25) / 0.1296
n ≈ 9.6042 / 0.1296
n ≈ 74.0842
Rounding up to the nearest whole number, the required sample size is approximately 75. Therefore, you would need to survey at least 75 randomly selected Americans to estimate the true proportion of Americans who support gun control in 2018 with a 95% confidence level and a margin of error of 0.36.
Please help and explain
A man is walking 3 miles per hour toward point B
from point A. At the same time, a woman is
running 6 miles per hour toward point A from
point B. If point A and point B are 15 miles apart,
how far from point B will they meet?
E. 5 miles
F. 6 miles
G. 9 miles
H. 10 miles
PLEASE PLEASE HELP I NEED THIS ANSWER
Answer:
6 miles
Step-by-step explanation:
because the common denominator is 12 so the man will walk 12 miles in 4 hours and the woman will walk 12 miles in 2 hours so they will meet in the middle
If point A and point B are 15 miles apart, they will meet H) 10 miles from point B.
The answer to the question is H: 10 miles.
To solve this problem, we can use the concept of relative velocity. Relative velocity is the velocity of one object as seen by another object. In this case, the man and the woman are moving towards each other, so their relative velocity is the sum of their individual velocities.
The man's velocity is 3 miles per hour and the woman's velocity is 6 miles per hour, so their relative velocity is 3 + 6 = 9 miles per hour.
We know that point A and point B are 15 miles apart, so they will meet when the distance between them is 0. The time it takes them to meet is 15 / 9 = 5/3 hours.
In 5/3 hours, the man will travel 3 * 5/3 = 5 miles and the woman will travel 6 * 5/3 = 10 miles. Therefore, they will meet 10 miles from point B.
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Blake is eliminating contributing factors to ensure accuracy in his results. Which step of the scientific method is he performing?.
Test the hypothesis step of the scientific method is he performing.
Making conjectures (hypothetical explanations) is a step in the scientific method. Predictions are then derived from the hypotheses as logical conclusions, and experiments or actual observations are conducted based on those predictions.
Since at least the 17th century, the scientific method—an empirical approach to learning—has guided the advancement of science. Since one's interpretation of the observation may be distorted by cognitive presumptions, it requires careful observation and the application of severe skepticism regarding what is observed.
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NEED ASAP
Which best describes the slope of the line that passes through points (0,4) and (4,4)?
undefined
negative
positive
zero
Answer:
Zero
Step-by-step explanation:
Find the slope using rise over run (y2 - y1) / (x2 - x1)
Plug in the points:
(y2 - y1) / (x2 - x1)
(4 - 4) / (4 - 0)
0 / 4
= 0
So, the slope is zero.
The 7-digit numbers in a given area code have the form ABC-XXXX, where B, C and X can be any digit 0-7 and A is restricted to 2-8. How many 7-digit numbers are possible in a single area code?
Answer:hhhhds
Step-by-step explanation:
If MI = 15 m, SM = 20 m, and TM = 9 m, what is the value of RM?
Answer:
RM=12m
Step-by-step explanation:
You can set up a proportion of 9/15 on one side and RM/20 on the other. you would then cross multiply and solve for RM
please please please help
Answer:
36
Step-by-step explanation:
What principal will amount to $2500 if invested at 5% interest compounded
semiannually for 7.5 years?
Step-by-step explanation:
Formula
\(p = \frac{si \times 100}{t \times r} \)
Interest on interest, or compound interest, is the adding of interest to the principal sum of a loan or deposit. The principal amount that was invested is $5576.65.
What is compound interest?Interest on interest, or compound interest, is the adding of interest to the principal sum of a loan or deposit. It's the outcome of reinvesting interest rather than paying it out so that interest is received on the principal plus previously collected interest in the next quarter.
\(A = P(1+ \dfrac{r}{n})^{nt}\)
where A is the final amount
P is the principal amount
r is the rate of interest
n is the number of times interest is charged in a year
t is the number of years
Given the compound interest is $2,500, while the interest rate is 5% compounded semi-annually for 7.5 years, therefore, the principal amount is,
\(A = P(1+\dfrac{r}{n})^{(n \times t)} - P\\\\2500 = P[(1+\dfrac{0.05}{2})^{(2 \times 15)} -1]\\\\P = 5576.65\)
Hence, the principal amount that was invested is $5576.65.
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f(x)=3x+b, if f(2)=-3, find b
Step-by-step explanation:
f(2) = -3 means when x is 2, the f(x) is equal to -3. To solve b, we plugin in 2 into x, and plugin -3 for f(x), we get
f(x) = 3x + b
- 3 = 3(2) + b
- 3 = 6 + b
b = -9
You're the manager of the packing crew at Meatin' Place meat market, where
the slogan is "no customer is an outlier." Being the manager, you spend your
time weighing meat packages and creating five-number summaries.
Calculate the five-number summary and create the modified box-and-whisker
plot for the ground beef package weight data shown here. Then answer the
next few questions about it.
Ground Beef Package Weight Data (in pounds)
0.75 0.93
0.83
0.96
0.87
0.96
0.89
0.89
0.89
0.92
0.97
0.98
0.99
1.06
1.08
1.08
1.15
1.16
1.16
1.19
1.19
1.2
1.21
1.24
1.28
1.38
1.41
Which of the following statements is true about the five-number summary
and box-and-whisker plot for these data?
A. The distance from Q3 to the maximum is smaller than the
distance from Q1 to the minimum.
B. The median weight is less than one.
C. The distance from Q1 to the median is nearly equal to the
distance from Q3 to the median.
OD. Both the minimum and maximum values would be considered
outliers.
E. The lower quartile of the weight distribution is above 1 pound.
The five-number summary and box-and-whisker plot for these data is
Population size: 27
Median: 1.06
Minimum: 0.75
Maximum: 1.41
First quartile: 0.92
Third quartile: 1.19
Interquartile Range: 0.27
Outliers: none
Box and Whisker plot:
Box whisker plot means the graphical representation which shows the five-number summary for the given set of data, such as minimum value, lower quartile, median, upper quartile, maximum value.
Given,
You're the manager of the packing crew at Meating' Place meat market, where the slogan is "no customer is an outlier." Being the manager, you spend your time weighing meat packages and creating five-number summaries.
Here we need to calculate the five-number summary and create the modified box-and-whisker plot for the ground beef package weight data shown here.
While we insert these data into the box whisker plot calculator, then we get the diagram of the box whisker plot like the following.
Through the diagram, we have identified that following details:
Population size: 27
Median: 1.06
Minimum: 0.75
Maximum: 1.41
First quartile: 0.92
Third quartile: 1.19
Interquartile Range: 0.27
Outliers: none
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