You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard devia
tion is approximately ?=62.3?=62.3. You would like to be 95% confident that your estimate is within 2 of the true population mean. How large of a sample size is required? Use a z* value accurate to TWO places for this problem. (Not z = 2)
n =________________.
