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  3. 1. out of a sample of 100 purchase orders, 10 cont

1. Out of a sample of 100 purchase orders, 10 contain errors. What is the confidence...

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Question

Statistics

1. Out of a sample of 100 purchase orders, 10 contain errors.What is the confidence interval for 95% confidence?

2. For a 95% confidence level, what is the value n (sample size)when π = .15 and the sampling error is .07?

a.99.96

b.61.47

c. 96.04

d.51.00

Answer & Explanation Solved by verified expert
4.2 Ratings (621 Votes)
CI 0041 01599996 option aExplanationCONFIDENCE INTERVAL FOR A POPULATION PROPORTIONn100x10Sample size Number of trialsNumber of success1095Confidence levelChoice of statisticConfidence interval    See Answer
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