You want to obtain a sample to estimate a population mean. Basedon previous evidence, you believe the population standard deviationis approximately σ=58.2σ=58.2. You would like to be 95% confidentthat your estimate is within 2 of the true population mean. Howlarge of a sample size is required?
Use a z* value accurate to TWO places for this problem. (Not z =2)
