Question
You intend to estimate a population mean with a confidence interval. You believe the population to have a normal distribution. Your sample size is 28.
You intend to estimate a population mean with a confidence interval. You believe the population to have a normal distribution. Your sample size is 28.
Find the critical value that corresponds to a confidence level of 80%.
(Report answer accurate to three decimal places with appropriate rounding.)
ta/2=___________________?
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Path To College Mathematics (Subscription)
Authors: Elayn Martin Gay
1st Edition
0134654560, 9780134654560
