A binomial experiment has the given number of trials ? and the given success probability P. n = 11, p= 0.3 Part: 0 / 3 Part 1 of 3 (a) Determine the probability P (6), Round the answer to at least four decimal places P (6) = Following is the probability distribution for age of a student at a certain public high school. 13 14 15 16 17 18 P(x) | 0.08 0.24 0.23 0.28 0.15 0.02 Send data to Excel Part: 0 / 2 Part 1 of 2 =) Find the variance of the ages. Round the answer to at least four decimal places The variance of the ages is Select the appropriate word or phrase to complete the sentence. As the sample size increases, the sample mean approaches the (Choose one) mean. grouped data X arithmetic trimmed population