7.31 Calculate the confidence interval to estimate the population proportion for each of the following. a. 90%

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7.31 Calculate the confidence interval to estimate the population proportion for each of the following.

a. 90% confidence level; n = 700; pn = 0.20

b. 99% confidence level; n = 140; pn = 0.01

c. a = 0.03; n = 345; pn = 0.90

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Essential Mathematics And Statistics For Science

ISBN: 9780470694480

2nd Edition

Authors: Graham Currell, Dr. Antony Dowman

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