Here are summary statistics for the weights of Pepsi in randomly selected cans: n=36, x=0.82409 lb, s = 0.00567 lb.Use a confidence level of 99% to complete parts (a) through (d) below. ¹x/2 = 0(Round to two decimal places as needed.)b. Find the margin of error.E = lb(Round to five decimal places as needed.)c. Find the confidence interval estimate of u.lb<μ<Ib(Round to five decimal places as needed.)*****d. Write a brief statement that interprets the confidence interval. Choose the correct answerbelow.O A. One has 99% confidence that the sample mean weight of Pepsi in a can is equal to thepopulation mean weight of Pepsi in a can.OB.One has 99% confidence that the interval from the lower bound to the upper boundcontains the true value of the population mean weight of Pepsi in a can.OC. Approximately 99% of sample mean weights of Pepsi in a can will fall between the lowerbound and the upper bound.O D.There is a 99% chance that the true value of the population mean weight of Pepsi in acan will fall between the lower bound and the upper bound.

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Answered: b. Find the margin of error. E = lb…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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State the conclusion based on the results of the test. Nex qeSuOn The mean of the pressure required to open a certain valve is known to be = 6.5psi. Due to changes in the manufacturing process, the quality-control manager feels that the average pressure has changed. The null hypothesis was rejected. Choose thee correct answer below. OA. There is not sufficient evidence that the mean of the pressure required to open a certain valve has changed. O B. The mean of the pressure has not changed. Oc. The mean of the pressure has changed. OD. There is sufficient ovidence that the mean of the pressure required to open a certain valve has changed. OE. There is sufficient evidence that the mean of the pressure required to open a certain valve has not changed. OF There is not suficient evidence that the mean of the pressure required to open a certain valve has not changed.
Apply the knowledge you obtained from the discussion by solving the given problems below. 1. A 99% confidence interval has to be created to estimate the mean volume of contents in the bottles of Honey-Z. Assume that the population standard deviation is 20 ml. Calculate the sample size needed if the margin of error is no more than : a. 6 ml b. 5 ml c. 4 ml d. 3 ml
A statistics class is estimating the mean height of all female students at their college. They collect a random sample of 42 female students and measure their heights. The mean of the sample is 65.3 inches and the sample standard deviation is 5.4 inches. Find the 90% confidence interval for the mean height of all female students in their school? Assume that the distribution of individual female heights at this school is approximately normal. 1. The t value is 1.3025 2. The standard error has a value of -- 3. The margin of error has a value of 4. Find the 90% confidence interval for the mean height of all female students in their school
A statistics practitioner took a random sample of 40 observations from a population whose standard deviation is 22 and computed the sample mean to be 96. Note: For each confidence interval, enter your answer in the form (LCL, UCL). You must include the parentheses and the comma between the confidence limits. A. Estimate the population mean with 95% confidence. Confidence Interval = B. Estimate the population mean with 95% confidence, changing the population standard deviation to 42: Confidence Interval = C. Estimate the population mean with 95% confidence, changing the population standard deviation to 6; Confidence Interval =
We provide a sample mean, sample size, sample standard deviation, and confidence level. a. use the one-mean t-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn. b. obtain the margin of error by taking half the length of the confidence interval. c. obtain the margin of error by using the formula tα/2•s/√n. x = 30, n = 25, s = 4, confidence level = 90%
Determine the critical value z,12 that corresponds to the given level of confidence, rounding to two decimal places. 96% A. 0.83 O B. 1.81 C. 1.75 D. 2.05 Click to select your answer. 61 a 立
We provide a sample mean, sample size, sample standard deviation, and confidence level. a. use the one-mean t-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn. b. obtain the margin of error by taking half the length of the confidence interval. c. obtain the margin of error by using the formula tα/2•s/√n. x = 25, n = 36, s = 3, confidence level = 95%
Apply the knowledge you obtained from the discussion by solving the given problems below. 1. A 99% confidence interval has to be created to estimate the mean volume of contents in the bottles of Honey-Z. Assume that the populatoon standard deviation is 20 ml. Calculate the sample size if the margin of error is no more than: a. 6 ml b. 5 ml c. 4 ml d. 3 ml
I need a step-by-step solution. Thank you.
State the conclusion based on the results of the test. The mean of the pressure required to open a certain valve is known to be u = 6.7 psi. Due to changes in the manufacturing process, the quality-control manager feels that the average pressure has changed. The null hypothesis was rejected. Choose the correct answer below. O A. The mean of the pressure has not changed. O B. There is not sufficient evidence that the mean of the pressure required to open a certain valve has changed. O C. There is not sufficient evidence that the mean of the pressure required to open a certain valve has not changed. O D. The mean of the pressure has changed. O E. There is sufficient evidence that the mean of the pressure required to open a certain valve has changed. O F. There is sufficient evidence that the mean of the pressure required to open a certain valve has not changed.
Round to one decimal place as needed
For each situation below, determine the confidence interval estimate of the popular parameter. Assume that the results are based on a nationally representative sample. Show your work and express the estimate in a sentence. a. The average age of 1225 respondents was 25.3 with a standard deviation of 1.9. What is the 95% confidence interval estimate of age in the population? b. The average number of children for the 945 respondents for which we have information was 1.98 with a standard deviation of 1.04. What is the 90% confidence interval estimate of average number of kids in the population? c. The average years of school completed for 734 respondents was 11.9 with a standard deviation of 0.5. What is the 99% confidence interval estimate of average years of school in the population?

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b. Find the margin of error. E = lb (Round to five decimal places as needed.) c. Find the confidence interval estimate of μ. lb<μ