The GPAs of all students enrolled at a large university have an approximately normal distribution with a mean of 3.02 an
Posted: Sun Jul 10, 2022 10:09 am
The GPAs of all students enrolled at a large university have an approximately normal distribution with a mean of 3.02 and a standard deviation of 0.29. Find the probability that the mean GPA of a random sample of 20 students selected from this university is 2.89 or lower. Round your answer to four decimal places. P(x≤ 2.89) =