In a clinical trial of a certain drug, 30 subjects experience headaches among the 221 subjects treated with the drug. Construct a 99% (Wald) confidence interval estimate for the proportion of treated subjects who experience headaches, completing parts (a) through (d) below. (round to three decimal places) a. Find the best point estimate of the population proportion. b. Identify the value of the margin of error E. c. Construct the confidence interval. d. Write a statement that correctly interprets the confidence interval. Select the correct choice below and fill in the answer box to complete your choice. A. We have enter your response here % confidence that the true value of the population proportion of subjects treated with the drug who experience headaches actually is between the confidence interval's lower and upper limits. B. There is a enter your response here % chance that the true value of the population proportion of subjects treated with the drug who experience headaches will fall between the confidence interval's lower and upper limits. C. enter your response here % of sample proportions will fall between the lower and upper limits of the confidence interval. D. We have enter your response here % confidence that the true value of the sample proportion of subjects treated with the drug who experience headaches actually is between the confidence interval's lower and upper limits.

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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In a clinical trial of a certain drug, 30 subjects experience headaches among the 221 subjects treated with the drug. Construct a 99% (Wald) confidence interval estimate for the proportion of treated subjects who experience headaches, completing parts (a) through (d) below. (round to three decimal places)

a. Find the best point estimate of the population proportion.

b. Identify the value of the margin of error E.

c. Construct the confidence interval.

d. Write a statement that correctly interprets the confidence interval. Select the correct choice below and fill in the answer box to complete your choice.

A. We have enter your response here __% confidence that the true value of the population proportion of subjects treated with the drug who experience headaches actually is between the confidence interval's lower and upper limits.

B. There is a enter your response here __% chance that the true value of the population proportion of subjects treated with the drug who experience headaches will fall between the confidence interval's lower and upper limits.

C. enter your response here __% of sample proportions will fall between the lower and upper limits of the confidence interval.

D. We have enter your response here __% confidence that the true value of the sample proportion of subjects treated with the drug who experience headaches actually is between the confidence interval's lower and upper limits.

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