Question
1. A consumer analyst reports that the mean life of a certain electronic reader is 74...
1. A consumer analyst reports that the mean life of a certain electronic reader is 74 months. What are the appropriate hypotheses to test this claim?
2. A simple random sample was taken. Compute a 95% confidence interval for the population mean using the following values.
[n=46,σ=23.4,X=52.8]
Homework Answers
Answer #1
1) Statement : A consumer analyst reports that the mean life of a certain electronic reader is 74 months.
Hypothesis :- Ho :- mu = 74 (claim )
Ha :- mu 
74
2) 95% confidence interval
46.038 < mu< 59.562
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