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In a random sample of fivemicrowave ovens,

/in /by

In a random sample of fivemicrowave ovens, the mean repair cost was

$75.00

and the standard deviation was

$11.50

Assume the population is normally distributed and use a t-distribution to construct a

90%

confidence interval for the population mean μ.

What is the margin of error of μ?

Interpret the results.

The 90% confidence interval for the population mean μ is (___.___)

The Margin is error is ? ATTACHMENT PREVIEW Download attachmentIn a random sample offivemicrowaveovens, the mean repair cost was$75.00and the standard deviation was$11.50Assume the population is normally distributed and use at-distribution to construct a90%confidence interval for the population meanμ.What is themargin of error ofμ?Interpret the results.The 90% confidence interval for the population meanμ is (___.___)The Margin is error is ?

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