porcelainlexus porcelainlexus

09-04-2024
Mathematics

Answered

A random sample is drawn from a population of known standard deviation 22.1. Construct a 95% confidence interval for the population mean based on the information given.
a. n = 121, x = 82.4, s = 21.9
b. n = 81, x = 82.4, s = 21.9

Answer :

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