A sample mean, sample size, population standard deviation, and confidence level are provided. x=30, n=26, σ=6, confidence level=90% a. Use the one-mean z-interval procedure to find a...

A sample mean, sample size, population standard deviation, and confidence level are provided.

x=30,

n=26,

σ=6,

confidence level=90%

a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn.

The confidence interval is from ___________ to __________.

(Type integers or decimals rounded to one decimal place as needed.)

Jun 01, 2022

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