Step 1: State the hypotheses.
Null Hypothesis (H0): The mean blood glucose level for senior citizens is not greater than 100 mg/dl.
Alternative Hypothesis (HA): The mean blood glucose level for senior citizens is greater than 100 mg/dl.
Step 2: Formulate an analysis plan.
We will use a one-sample t-test to test the hypothesis. The test statistic is given as t = 2.39, and the p-value is 0.0190.
Step 3: Analyze sample data.
Given that the test statistic is t = 2.39, we can compare it to the critical value or use the p-value to make a decision.
Step 4: Interpret the results.
At a significance level of 0.05, the p-value (0.0190) is less than the significance level. Thus, we reject the null hypothesis. There is evidence to suggest that the mean blood glucose level for senior citizens is greater than 100 mg/dl.
Step 5: State the conclusion.
Based on the sample data, with a test statistic of 2.39 and a p-value of 0.0190, we reject the null hypothesis. There is sufficient evidence to conclude that the mean blood glucose level for senior citizens is greater than 100 mg/dl at the 0.05 level of significance.
To learn more about hypothesis click here:brainly.com/question/32562440
#SPJ11
Ernesto guesses there are 69 marbles in a jar, but there are actually 60.
What is the percent error in Ernesto's guess?
Answer:
15%
Step-by-step explanation:
Since the problem is to find how much 69 is as a percent if 60 is 100%, we can use a rule of three, simple, direct proportion to do it:
60 = 100%
68 = x
x = 69x100/60
x = 115
That means 69 is 115% of 60, which means that the error is of:
115 - 100 = 15%
Hope this helps, have a great day! :D
which expression is a possible leading term for the polynomial function graphed below? –18x14 –10x7 17x12 22x9
Among the given expressions, the one that could be the possible leading term for the polynomial function graphed below is -18x¹⁴.
The leading term of a polynomial function is the term containing the highest power of the variable. Among the given expressions, the one that could be the possible leading term for the polynomial function graphed below is -18x¹⁴.
The degree of a polynomial function is the highest degree of any of its terms.
If a polynomial has only one term, then the degree of that term is the degree of the polynomial and is also called a monomial.
For example, consider the given function:Now, observe the degree of the function, which is 14, as the highest exponent of the function is 14.
Thus, the term containing the highest power of the variable x is -18x¹⁴.
Therefore, among the given expressions, the one that could be the possible leading term for the polynomial function graphed below is -18x¹⁴.
To know more about probability visit :-
https://brainly.com/question/1496352
#SPJ11
An airplane travels a total distance of 5,585 kilometers on a trip. It travels 563 kilometers in the first 40 minutes of the trip. The airplane travels at an average speed of 837 kilometers per hour for the rest of the trip. How long does it take for the airplane to complete the entire trip?
Answer:
6.67 hours
Step-by-step explanation: take 5585/837
The airplane takes 6 hours and 40 minutes to complete the entire trip.
What is speed?Speed is the ratio of the given distance and time.
It shows how fast an object is moving at a given time.
The formula is Distance / Time.
We can find the distance or time when the required values are given using this formula.
We have,
Let's begin by finding the remaining distance the airplane travels after the first 40 minutes:
Remaining distance = Total distance - Distance traveled in first 40 minutes
Remaining distance = 5,585 km - 563 km
Remaining distance = 5,022 km
Now, we can use the formula:
speed = distance/time
To find the time it takes for the airplane to travel the remaining distance at an average speed of 837 km/h:
time = distance/speed
time = 5,022 km / 837 km/h
time ≈ 6 hours
Therefore, the total time it takes for the airplane to complete the entire trip is:
Total time = Time for first 40 minutes + Time for the remaining distance
Total time = 40 minutes + 6 hours
Total time = 6 hours and 40 minutes
Thus,
The airplane takes 6 hours and 40 minutes to complete the entire trip.
Learn more about speed here:
https://brainly.com/question/7359669
#SPJ2
Is it true or false?
Answer:
false (this is what I believe)
Step-by-step explanation:
because participant 1 has 7 squares and he almost does the same as participant 2 and he only has 5 squares which means participant 2 I'd faster
Answer:
false (i think im not really good with math)
Step-by-step explanation:
find all the expressions that are equal to 4*10^-3
Answer:
Attached to this answer are some of the ways you could rewrite \(4*10^{-3}\)
Which coefficients are significantly nonzero at the 0. 01 significance level? isye 6414 since p-value of
To determine which coefficients are significantly nonzero at the 0.01 significance level in isye 6414, we need to look at the p-values. If the p-value is less than 0.01, then the coefficient is considered significantly nonzero.
To find which coefficients are significantly nonzero at the 0.01 significance level in isye 6414, you will need to refer to the p-values. The p-value represents the probability of observing the coefficient's value if the null hypothesis is true. A p-value less than the chosen significance level (0.01 in this case) indicates that the coefficient is significantly nonzero.
First, obtain the regression output for isye 6414. This will include the estimated coefficients and their corresponding p-values. Next, compare each p-value to the significance level of 0.01. If a p-value is less than 0.01, then the coefficient is considered significantly nonzero.
For example, if the p-value for a coefficient is 0.005, it is less than 0.01, so the coefficient is significantly nonzero at the 0.01 significance level. Conversely, if the p-value is 0.02, it is greater than 0.01, so the coefficient is not significantly nonzero.
Repeat this process for all coefficients in isye 6414 to identify which ones are significantly nonzero at the 0.01 significance level.
To know more about hypothesis visit:
https://brainly.com/question/32562440
#SPJ11
Question is : Which coefficients are significantly nonzero at the 0.01 significance level in the context of ISYE 6414 since p-value of the regression analysis?
PLEASE DO THESE NEEDED !!!!!!!!!!!!!!!!!!! PLEASE
Answer:
hope this works
Step-by-step explanation:
A1-x= 5
A2-x= 9
A3-x= 4
A4-x= -5
B1-x= 11
B2-x= 21
B3-x= 2
B4-x= -8
C1-x= 6
C2-x= 7
C3-x= 22/3 or 7.33
C4-x= 4.5
D1-x= 14
D2-x= 30
D3-x= 24
D4-x= 108
1) r= 10
2) n= -4
3) p= -9
4) r= 6
5) k= -4
6) n= 15
the _____ of a trapezoid is a segment whose endpoints are the midpoints of its legs.
Answer:
The segment that connects the midpoints of the legs of a trapezoid is called the median of the trapezoid.
Step-by-step explanation:
Write 33 x V3
as a
single power of 3.
Answer:
555555
Step-by-step explanation:
below is a cumulative algorithm using an array and a range-based loop. what is printed? (assume this is inside main() with all includes, etc.)
Without seeing the algorithm, it is impossible to provide an answer.
The question states that there is a cumulative algorithm using an array and a range-based loop, but the actual algorithm is not provided. Therefore, without knowing what the algorithm is doing or what values are being used, it is impossible to determine what will be printed.
The question is incomplete as it does not provide the cumulative algorithm that is being referred to. Therefore, no answer can be provided without additional information.
That without the specific algorithm and code snippet, I am unable to determine what will be printed. For a proper explanation, please provide the cumulative algorithm using an array and a range-based loop that you mentioned.
To know more about algorithm visit :-
https://brainly.com/question/28724722
#SPJ11
the distance from Huntington park to Promenade in Downey is 9 1/3 miles. if you were to walk at a steady 4 2/3 mph, how much time would be needed for the trip? Help please.!
The time that would be needed for the trip is 2 hours.
How to calculate the time?It is important to note that the formula that can be used for calculating the time taken will be:
Time = Distance / Speed
where
Distance = 9 1/3
Speed = 4 2/3
Therefore time will be:
Time = Distance / Speed
= 9 1/3 ÷ 4 2/3
= 28/3 ÷ 14/3
= 28/3 × 3/14
= 2 hours
The time is 2 hours.
Learn more about time on:
brainly.com/question/26046491
#SPJ1
Please help with this question.
Answer:
(D)
Step-by-step explanation:
It is D (even though I can't see it) because A, B, and C are not the graphs of radical functions.
Hope this helps :)
Help for both of them
Answer:
1. acute angle with 74°
2. acute angle with 55°
Step-by-step explanation:
any angles less than 90° is acute
any angles that are 90° are right angles
any angles over 90° above are obtuse
The digit 9 in which number represents a value of 0.009?
A) 9653 B) 2.095 C) 0.729
Answer:
c
Step-by-step explanation:
c is the only number that end with 9 and in decimal
Answer:c
Step-by-step explanation:
can someone help me solve -15+n=-9
Answer:
n = 6
Step-by-step explanation:
You have to make n on its own
-15 + 15 + n = -9 + 15
n = 6
NuHome Movers charges $95 per hour for loading/unloading services and $80 per hour for packing/unpacking services. Their charge is $2.50 per mile for truck rental. Jay is moving a distance of 200 miles and needs 9 hours of loading/unloading and 7 hours of packing/ unpacking. What will his moving cost be if the service also charges 7.25% tax on the total?
Answer:
Total moving cost = $2,053.84
Step-by-step explanation:
Let's write down Jay's requirements and costs associated
9 hours of loading/unloading at $95 per hour = 95 x 9 = $855
7 hours of packing/unpacking at $80 per hour = 80 x 7 = $560
200 miles of transportation at $2.50 per mile = 2.50 x 200 = $500
Total before-tax cost of moving = $855 + $560 + $500 = $1, 915
Sales Tax is additional at 7.25%
Sales Tax amount = 1915 x 7.25%
= 1915 x 7.25/100 = 138.8375 = $138.84
Total cost including sales tax = 1915.00 + 138.84 = $2,053.84
To best estimate the quotient in scientific notation, what number should replace m?
StartFraction 6.33 times 10 Superscript 9 Baseline Over 1.79 times 10 Superscript 5 Baseline EndFraction almost-equals 3 times 10 Superscript m
Answer:
m=4
Step-by-step explanation:
6.33 × 10^9 / 1.79 × 10^5=3.54 × 10^m
Find m
6.33 × 10^9 / 1.79 × 10^5 =3.54 × 10^m
Divide the multipliers
6.33/1.79
=3.54
Divide the other multipliers
10^9/10^5
Division in scientific notation with superscript with the SAME base requires subtraction of the superscript using one of the bases
10^9/10^5
= 10^9-5
=10^4
Therefore,
6.33 × 10^9 / 1.79 × 10^5 = 3.54 × 10^4
m = 4
Answer:
4 :)
Step-by-step explanation:
to estimate the true mean speed of vehicles traveling on a particular section of roadway, a speed-detection device is programmed to measure the speed of the first 100 vehicles that pass it. are the conditions for constructing a t confidence interval met? no, the random condition is not met. no, the 10% condition is not met. no, the normal/large sample condition is not met. yes, the conditions for inference are met.
It's difficult to say whether the conditions for constructing a t-confidence interval are met based on the information provided. To construct a t-confidence interval, three conditions must be met:
The sampling method must be random. It's not specified in the problem whether the method of selecting the vehicles was random or not, so it's impossible to say whether this condition is met.
The sample size must be large enough. A sample size of 100 vehicles is considered to be large enough for the normal/large sample condition to be met.
The population must be approximately normally distributed or the sample size must be large. Since the problem does not specify anything about the distribution of the population, it is not clear if this condition is met.
Given that the information provided does not give enough details to state whether the conditions for constructing a t-confidence interval are met or not.
To learn more about percentages, refer to the link:brainly.com/question/13450942
#SPJ4
help asap will give brainliest!!!!
The value of the angle a is 49 degrees and angle b is 139 degrees in the given triangle.
What are exterior angles?External angles are those that run parallel to a polygon's inner angles but are located outside of it. The sum of the two internal opposed angles determines the size of an outside angle. For each vertex, there are two equivalent exterior angles.
Each vertex typically displays a single external angle. The exterior angles of a triangle are those that are formed outside of it. The exterior angle of a triangle is defined as the angle formed between one of a triangle's sides and its neighboring extended side. As a result, the exterior angle of a triangle is the angle formed by any extended side of a triangle and its neighboring side.
Given that the measure of angle y = 49 degrees.
We observe from the figure that angle a is vertically opposite angle of y thus,
angle y = angle a = 49 degrees.
Now, angle b is exterior angle and,
angle b = angle a + 90
angle b = 49 + 90
angle b = 139 degrees.
Hence, the value of the angle a is 49 degrees and angle b is 139 degrees in the given triangle.
Learn more about exterior angle here:
https://brainly.com/question/2406986
#SPJ1
The area of the entire figure below is 1 square unit.
What is the area of the stripped rectangle??
Maura spends $5.50 in materials to make a scarf. She sells each scarf for 600% of the cost of materials.
Complete the sentence by selecting the correct word from the drop down choices.
Maria sells each scarf for Choose... ✓ or
The price that Maura sell each scarf would be =$33. Maura sells each scarf for $33. That is option A.
How to calculate the selling price of each scarf?To calculate the amount of money that Maura spends on each scarf the following is carried out.
The amount of money that she spends on the scarf material = $5.50
The percentage selling price of each scarf = 600% of $5.50
That is ;
= 600/100 × 5.50/1
= 3300/100
= $33.
Therefore, each price that is sold by Maura would probably cost a total of $33.
Learn more about cost price here:
https://brainly.com/question/26008313
#SPJ1
Simplify the following polynomial expression. (3x^(2)-x-7)-(5x^(2)-4x-2)+(x+3)(x+2) The polynomial simplifies to an expression that is ________ ________ a with a degree of ________.
To simplify the given polynomial expression, we can start by combining like terms.
First, let's simplify the first part of the expression: (3x^2 - x - 7) - (5x^2 - 4x - 2).
Combining like terms, we have: (3x^2 - 5x^2) + (-x + 4x) + (-7 - 2).
This simplifies to: -2x^2 + 3x - 9.
Next, let's simplify the second part of the expression: (x + 3)(x + 2).
Using the distributive property, we expand this expression: x(x + 2) + 3(x + 2).
Multiplying, we get: x^2 + 2x + 3x + 6.
Combining like terms, this simplifies to: x^2 + 5x + 6.
Now, we can combine the simplified parts of the expression:
(-2x^2 + 3x - 9) + (x^2 + 5x + 6).
Combining like terms, we get: -x^2 + 8x - 3.
Therefore, the simplified polynomial expression is: -x^2 + 8x - 3.
The degree of the polynomial is determined by the highest power of x in the expression. In this case, the highest power is 2 (x^2), so the degree of the polynomial is 2.
To learn more about polynomial
brainly.com/question/11536910
#SPJ11
can someone pls help me asap i need to turn this in in 4 minutes please
Answer: A is 80 and B is 85 train B is going faster
Step-by-step explanation:
hope this helps
because A is already given and to find b divide d/t to find constant and after doing so b is 5km per hour faster
How to plot 69, 88,94,73,78,90, and 68 in a box and whisker plot (ASAP) also find the 5 part summary
The five-number summary for the dataset are Minimum: 68, Q1: 69, Median: 78, Q3: 90 and Maximum: 94.
To create a box and whisker plot for the given dataset {69, 88, 94, 73, 78, 90, 68}, follow these steps:
Step 1: Arrange the data in ascending order:
68, 69, 73, 78, 88, 90, 94
Step 2: Find the five-number summary:
Minimum: The smallest value in the dataset, which is 68.
First quartile (Q1): The median of the lower half of the dataset. In this case, it's the median of {68, 69, 73}, which is 69.
Median (Q2): The middle value of the dataset. In this case, it's 78.
Third quartile (Q3): The median of the upper half of the dataset. In this case, it's the median of {88, 90, 94}, which is 90.
Maximum: The largest value in the dataset, which is 94.
Step 3: Create the box and whisker plot:
Draw a number line with a range from the minimum (68) to the maximum (94).
Mark the first quartile (Q1) at 69.
Mark the median (Q2) at 78.
Mark the third quartile (Q3) at 90.
Draw a box from Q1 to Q3.
Draw a vertical line (whisker) from the box to the minimum (68) and another vertical line from the box to the maximum (94).
The resulting box and whisker plot for the given dataset would look like this:
|
94| ▄
| ╱ ╲
90| ╱ ╲
| ╱ ╲
88| ▇ ▂
| ▇ ▂
78| ▇ ▂
| ▇ ▂
73| ╱ ╲
| ╱ ╲
69| ▃ ▃
| ╱ ╲
68| ╱ ╲
|_________________________________
68 73 78 88 94
This plot represents the distribution of the given dataset, showing the minimum, maximum, first quartile (Q1), median (Q2), and third quartile (Q3).
The five-number summary for the dataset are Minimum: 68, Q1: 69, Median: 78, Q3: 90 and Maximum: 94.
For more such questions on dataset , Visit:
https://brainly.com/question/27358262
#SPJ11
you are designing a 3x3 factorial between-subjects study. you need 10 participants for each cell. how many participants do you need in total?
The required number of participants need for each cell are 90.
Explain cell of wall.Graphing cell means to picture primary impacts and connections. The numbers in the secret elements address bunch implies in a 2 x 2 plan. The negligible means for factors An and B are likewise shown. The cell implies are plotted as line diagrams and as reference charts.
According to question:We have 3x3 factorial between-subjects study.
There are 9 cells in factorial, and each cell need 10 participant.
Then, number of participant = 10(9) = 90 participant.
Thus, number of participant are 90.
To know more about Factorial visit:
brainly.com/question/25505833
#SPJ4
The neighborhood park has a rectangular shape. What is the perimeter of the park?
Step-by-step explanation:
perimeter formula is adding up all the sides
so
5x-40 + 5x-40 + 3x-18 + 3x -18
= 16x -116
Subtotal: 27.07
Tax (10%)
Tip (18%)
The first one is wrong information
The total cost of the meal, given the subtotal, the tax and the tip, is $ 34. 65.
How to find the total cost ?To find the total cost, first calculate the tip. To calculate the tip, multiply the subtotal by the tip rate:
= 27. 07 x 0. 18
= $ 4. 87
Then, calculate the tax. To calculate the tax, multiply the subtotal by the tax rate :
= 27. 07 x 0. 10
= $ 2. 71
The total cost can be found when you add the subtotal, tax, and tip :
= 27. 07 + 2. 71 + 4. 87
= $ 34. 65
Find out more on total cost at https://brainly.com/question/880224
#SPJ1
Full question is:
What is the total cost ?
Subtotal: 27.07
Tax (10%)
Tip (18%)
Findh in the paralelogram
20 ft
10 ft
12 ft
Answer:
6ftStep-by-step explanation:
Find the diagram attached
Area of a parallelogram = Base * Height
Given
Area = 120ft^2
BAse = 20ft
Required
Height
From the formula;
Height = Area/Base
Height = 120/20
Height = 6ft
Hence the value of h is 6ft
In an experiment, participants are usually assigned to treatments using random assignment. The reason for using random assignment is ____.
In an experiment, participants are usually assigned to treatments using random assignment. The reason for using random assignment is to minimize the potential for pre-existing differences between groups of participants. The purpose of an experiment is to establish whether the independent variable causes a change in the dependent variable.
Random assignment ensures that participants are randomly assigned to groups and that pre-existing differences between groups are minimized. As a result, any differences observed between groups are more likely to be caused by the independent variable rather than pre-existing differences between groups.
Random assignment ensures that any differences between groups are the result of differences in the treatments administered, rather than pre-existing differences between groups. As a result, any observed differences between groups are more likely to be caused by the independent variable rather than other confounding variables that could affect the dependent variable.
Random assignment also increases the validity of the study's results and reduces the potential for bias in the results. In conclusion, random assignment is used in experiments to minimize pre-existing differences between groups of participants and to ensure that any differences observed between groups are the result of differences in the treatments administered.
To know more about experiment visit:
https://brainly.com/question/15088897
#SPJ11
50 points mathamatics please help
Answer:
Option B: 6342
Step-by-step explanation:
Answer: 6342
Step-by-step explanation:
906 x 7 = 6342