The diameter of a brand of tennis bals is approximately normally distributed. with a mean of 2.69 inches and a standard deviation ot 0.05 inch A random sample of 12 tenis balls is select Complete parta (a) through (d) below. a. What is the sampling distribution of the mean? A. Because the population cameter of tennis bals is approximately normaly diatribuled, the sampling dietribution of samples of size 12 will also be approximately nomat. B. Because the poputation dianefer of ternis balls la approximately nocmolly distributed, the sampling distribution of samples of size 12 will net be approximutely normal. C. Because the population diameter of tennis balis is approximataly normally distributed, the sampling distribution of samples of alice 12 cannot be found: D. Because the population diametnr of ternis balis is approximately normally distributed, the sampling distribution of samples of sze 12 will be the undorm distroution. b. What is the prokability that the sample mean is less than 2.67 incthes? P(x