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Determine the sample size n needed to construct a 99​% confidence interval to estimate the population...

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Basic Math

Determine the sample size n needed to construct a 99​%confidence interval to estimate the population proportion when poverbar =0.68 and the margin of error equals 5​%.

n=_______ ​(Round up to the nearest​ integer.)

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Determine the sample size n needed to construct a 99​%confidence interval to estimate the population mean for thefollowing margins of error when σ=87. ​a) 25 ​b) 40 ​c) 50

Answer & Explanation Solved by verified expert
4.5 Ratings (721 Votes)
z value at 9The following information is provided Significance Level 001 Margin of Error E 005 The provided estimate of proportion p is p 068 The critical value for significance level 001 is 258 The following formula is used to compute the minimum sample size required to estimate the population proportion p within the required margin of error n p1pzcE2 n 0681 0682580052 n 57937 Therefore the sample    See Answer
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