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In a clinical study, 5600 subjects were vaccinated with a flu vaccine manufactured by growing cells in tertilized chicken eggs. Over a period of roughly 28 weeks, 102 of these subjects developed the flu. a. Find the observed statistic. Use the proper notation (x or p). b. Verify that the sample size is large enough to use the normal distribution to construct a confidence interval fo the proportion of the population that were vaccinated with the vaccine but still developed the flu.

In a clinical study, 5600 subjects were vaccinated with a flu vaccine manufactured by growing cells in tertilized chicken eggs. Over a period of roughly 28 weeks, 102 of these subjects developed the flu. a. Find the observed statistic. Use the proper notation (x or p). b. Verify that the sample size is large enough to use the normal distribution to construct a confidence interval fo the proportion of the population that were vaccinated with the vaccine but still developed the flu.

MATLAB: An Introduction with Applications
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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1. In a clinical study, 5600 subjects were vaccinated with a flu vaccine manufactured by growing cells in fertilized chicken eggs. Over a period of roughly 28 weeks, 102 of these subjects developed the flu. a. Find the observed statistic. Use the proper notation (x or p). b. Verify that the sample size is large enough to use the normal distribution to construct a confidence interval for the proportion of the population that were vaccinated with the vaccine but still developed the flu. C. Construct a 99% confidence interval for the proportion of the population that were vaccinated with the vaccine but still developed the d. Provide an interpretation of your interval in the context of the data. e. According to your confidence interval in c), is it reasonable to assume that fewer than 4% of all people vaccinated will develop the flu? Clearly answer "yes" or "no". And provide an explanation for your answer.
Transcribed Image Text:1. In a clinical study, 5600 subjects were vaccinated with a flu vaccine manufactured by growing cells in fertilized chicken eggs. Over a period of roughly 28 weeks, 102 of these subjects developed the flu. a. Find the observed statistic. Use the proper notation (x or p). b. Verify that the sample size is large enough to use the normal distribution to construct a confidence interval for the proportion of the population that were vaccinated with the vaccine but still developed the flu. C. Construct a 99% confidence interval for the proportion of the population that were vaccinated with the vaccine but still developed the d. Provide an interpretation of your interval in the context of the data. e. According to your confidence interval in c), is it reasonable to assume that fewer than 4% of all people vaccinated will develop the flu? Clearly answer "yes" or "no". And provide an explanation for your answer.
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