angel6753 angel6753

06-05-2024
Mathematics

Answered

A simple random sample of size n is drawn. The sample mean, x‾, is found to be 17.7 , and the sample standard deviation, s, is found to be 4.3 .
Complete parts (a) through (c) below.
Click the icon to view the table of areas under the t-distribution.
(a) Construct a 95% confidence interval about μ if the sample size, n, is 34 .
Lower bound: ; Upper bound:
(Use ascending order. Round to two decimal places as needed.)
(b) Construct a 95% confidence interval about μ if the sample size, n, is 51 .
Lower bound: ; Upper bound:

Answer :

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