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sume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a sample of size 140 with 108 successes. Enter your answer as a tri-linear inequality using decimals. accurate to three decimal

sume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a sample of size 140 with 108 successes. Enter your answer as a tri-linear inequality using decimals. accurate to three decimal

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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Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a sample of size 140 with 108 successes. Enter your answer as a tri-linear inequality using decimals. accurate to three decimal places.

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Step 1

The value of z at 98% confidence level is 2.326, which can be obtained by using the standard normal table.

Calculate the sample proportion as:

Statistics homework question answer, step 1, image 1

Calculate the 98% confidence interval is,

Statistics homework question answer, step 1, image 2

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