Math Solutions

[See Solution] a) From the information given here, determine the 95% confidence interval estimate of the population mean. Xbar = 100 σ = 20 n = 25 b) Repeat

Question: a) From the information given here, determine the 95% confidence interval estimate of the population mean.

Xbar = 100 σ = 20 n = 25

b) Repeat part (a) with xbar = 200.

c) Repeat part (a) with xbar = 500

d) Describe what happens to the width of the confidence interval estimate when the sample mean increases.

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