tmartin407 tmartin407

26-04-2024
Mathematics

Answered

A 99% confidence interval (in inches) for the mean height of a population is 65.8<μ<67.4. This result is based on a sample of size 144 . Construct the 95% confidence interval. (Hint: you will first need to find the sample mean and sample standard deviation).

a. 65.8 in <μ<67.4 in.
b. 66.1 in <μ<67.1 in.
c. 65.7 in <μ<67.5 in.
d. 66.0 in <μ<67.2 in.

Answer :

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