# Confidence interval for population mean

Use the given confidence level and sample data to find (a) the margin of error and (b) the confidence interval for the population mean. Assume that the population has a normal distribution.

Weight lost on a diet: 99% confidence; n = 61, x = 3.0 kg. s = 5.7 kg.

(a) E = ______kg (Round to one decimal place)

(b) What is the confidence interval for the population mean?

______ kg < mean < _______ (Round to one decimal place)

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#### Solution Summary

The expert provides a step by step method for computing confidence interval is given in the answer.

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