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Suppose we wish to calculate an 80% confidence interval. What would be the value of z in the confidence interval equation ? Use the z-score table to find it. Your answer should be correct to within 0.01. Your value of z should be positive. p(1-p) p± √ n

Suppose we wish to calculate an 80% confidence interval. What would be the value of z in the confidence interval equation ? Use the z-score table to find it. Your answer should be correct to within 0.01. Your value of z should be positive. p(1-p) p± √ n

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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Suppose we wish to calculate an 80% confidence interval. What would be the value of z in the confidence interval equation p(1-p) p ± ²√ -? Use the z-score table to find it. Your answer should be correct to within 0.01. Your value of z should be positive. n
Transcribed Image Text:Suppose we wish to calculate an 80% confidence interval. What would be the value of z in the confidence interval equation p(1-p) p ± ²√ -? Use the z-score table to find it. Your answer should be correct to within 0.01. Your value of z should be positive. n
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