Suppose you have a sample of 400 people. You asked each of the 400 people whether they like or dislike a particular product. 320 people said that they like the product. a) What is a 95% confidence interval for the population proportion! W b) Test the claim that the proportion is below 90%. You may use the fact that the p-value is 0.00042
Suppose you have a sample of 400 people. You asked each of the 400 people whether they like or dislike a particular product. 320 people said that they like the product. a) What is a 95% confidence interval for the population proportion! W b) Test the claim that the proportion is below 90%. You may use the fact that the p-value is 0.00042
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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