Let X represent the full height of a certain species of tree

Last updated: 11/20/2023

Let X represent the full height of a certain species of tree Assume that X has a normal probability distribution with 203 6 ft and o 90 ft You intend to measure a random sample of n 66 trees a What is the mean of the distribution of sample means P ft b What is the standard deviation of the distribution of sample means i e the standard error in estimating the mean ft