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Mathematics, 29.07.2020 21:01 kdcloyd88191
Construct a 99% confidthence interval for the population mean .Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth.
A) Determine the critical value ta/2 with n-the 1 degrees of freedom
B) Determine the lower and upper bound of the confidence interval
C) Interpret the confidence interval.
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Construct a 99% confidthence interval for the population mean .Assume the population has a normal di...
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