Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 218 with 57 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places.

Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 218 with 57 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places.

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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Question

100%

Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 218 with 57 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places.

Expert Solution

Step 1

$g i v e n d a t a n = 218 x = 57 c o n s t r u c t 90 % c i f o r p .$

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