A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.14 inch A) determine the minimum sample size required to construct 99% confidence interval for the population mean. Assume the population standard is 0.5 inch. B) the sample mean is 27.6 inches with a sample size of 93, a 99% level confidence and a population standard deviation of 0.5 inch does it seem possible mean could be less than 27.7 inches explain