question archive The weekly earnings of students in one age group are normally distributed with a standard deviation of 75 dollars
The weekly earnings of students in one age group are normally distributed with a standard deviation of 75 dollars
Subject:StatisticsPrice: Bought3
The weekly earnings of students in one age group are normally distributed
with a standard deviation of 75 dollars. A researcher takes a random sample of 30 students and finds a sample mean of 250 dollars and sample sd of 65 dollars. Find the 99% confidence interval for the population mean μ. If the researcher were to take another random sample give an example of what the 99% confidence interval of that sample would be and explain why.
