A population is thought to have a mean of 75 and a standard deviation of 12. Suppose a sample size of 64 is selected and
Posted: Wed May 11, 2022 8:50 am
A population is thought to have a mean of 75 and a standard deviation of 12. Suppose a sample size of 64 is selected and x- is used to estinate u. What is the probability that the sample mean will be with +- 2.25 of the population mean?