Asked by priyanka

A simple random sample of 50 items from a population with σ 6 resulted in a sample
mean of 32.
a. Provide a 90% confidence interval for the population mean

13 years ago

Answered by PsyDAG

90% = mean ± 1.645 SEm

SEm = SD/√n

13 years ago

Answered by Anonymous

1.396

7 years ago

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