Consider a normally distributed population with mean / = 10 and standard deviation o = 2.5. Suppose a random sample of size n is selected from this population. Let n = 12. Find the mean my and the variance o of the distribution of X. (Use decimal notation. Give your answers to three decimal places if necessary.) @ Macmillan Learning MY = 102.08 Incorrect Find the probability P(X > 11.5). (Use decimal notation. Use Table III if necessary. Give your answer to four decimal places.) 0.019 P(X > 11.5) = Incorrect ?LE) Macmillan Learning ._.._. Consider a normally distributed population with mean u = 10 and standard deviation 0' = 2.5. Suppose a random sample of size n is selected from this population. Let n = 15. Find the mean .11? and the variance 6}? of the distribution of Y. (Use decimal notation. Give your answers to three decimal places if necessary.) E] Find the probability 130.5 g Y 5 10.5). > Stacked Consider a normally distributed population with mean / = 10 and standard deviation o = 2.5. Suppose a random sample of size n is selected from this population. Let n = 100. Find the mean by and the variance of of the distribution of X. (Use decimal notation. Give your answers to four decimal places if necessary.) @ Macmillan Learning MY =4 Stacked MY = Find the probability P (X 10.2) =