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uConstruct confidence intervals for the population mean of 80%, 90%, 95%, 99% using the following data...

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Basic Math

uConstruct confidence intervals for the population mean of 80%,90%, 95%, 99% using the following data and a population standarddeviation of 900:

un = 100

u?x ? = 425

Answer & Explanation Solved by verified expert
4.2 Ratings (797 Votes)
Solution Given thatPoint estimate sample mean 425Population standard deviation 900Sample size n 1001 At 80 confidence level 1 80 1 080 0202 010Z2 Z010 1282Margin of    See Answer
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