• Question 4If n 400 and p (p-hat) 0.9, construct a 99% confidence interval.Give your answers to three decimals

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Answered: • Question 4 If n 400 and p (p-hat)…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Length of a confidence interval. Which confidence interval would be shorter, a confidence interval computed using a sample size of 80 or a confidence interval computed using a sample size of 2000 (or 25 times bigger)? Assume that the confidence level is 91% for both confidence intervals and that the only difference between them is the sample size. Explain your reasoning, including how much smaller, numerically, the margin of error will be.
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If n=430 and p (p-hat) = 0.21, construct a 99% confidence interval. Give your answers to three decimals.

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• Question 4 If n 400 and p (p-hat) 0.9, construct a 99% confidence interval. Give your answers to three decimals