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What is the minimal sample size needed for a 95% confidence interval to have a maximal...

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Statistics

What is the minimal sample size needed for a 95% confidenceinterval to have a maximal margin of error of 0.1 in the followingscenarios? (Round your answers up the nearest whole number.)

(a) a preliminary estimate for p is 0.15


(b) there is no preliminary estimate for p

Answer & Explanation Solved by verified expert
3.6 Ratings (542 Votes)
SolutionGiven thata a preliminary estimate for p is 015 0151 1 015 085margin of error    See Answer
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