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Construct the confidence interval for the population mean ?. c =0.90?, x=9.8?, ? =0.4?, and n...

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Basic Math

Construct the confidence interval for the population mean ?. c=0.90?, x=9.8?, ? =0.4?, and n =46

A 90?% confidence interval for ? is ?

Answer & Explanation Solved by verified expert
4.1 Ratings (878 Votes)
TRADITIONAL METHOD given that standard deviation 04 sample mean x 98 population size n46 I standard error sd sqrtn where sd population standard deviation n population size standard error 04 sqrt 46 0059 II margin of error Z a2    See Answer
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