Oc 0.00228 Question 9 Not yet answered Points out of 1.00 P Flag question The diameter of a brand of tennis balls is approximately normally distributed, with a mean of 2.63 inches and a standard deviation of 0.03 inch. If you select a random sample of 9 tennis balls, what is the probability that the sample mean is less than 2.61 inches? Select one: Oa. 0.228 Ob. 0.772 Oc. 0.0228 Question 10 Not yet answered Points out of 1.00 P Flag question The diameter of a brand of tennis balls is approximately normally distributed, with a mean of 2.63 inches and a standard deviation of 0.03 inch. If you select a random sample of 9 tennis balls, what is the probability that the sample mean is between 2.62 and 2.64 inches? Select one: Ca. 0.0682 Ob. 0.6827 Oc. 0.3173 Finish attempt .. 4 Sampling Distributions for Sample Proportion Part 2 Jump to... Quiz 7 (For Students with Disability Accommodations)