Choosing officers: A committee consists of twelve women and eleven men. Four committee members will be chosen as officers. Part 1 of 4 V How many different choices are possible ? here are 8855 different possible choices. Part 2 of 4 How many different choices are poss I the officers are to be women? There are |495 different choices possible if all the officers are to be women. Part: 2 / 4 Part 3 of 4 How many different choices are possible if all the officers are to be men ? There are different choices possible if all the officers are to be men. Following is the probability distribution for the age of a student at a certain public high school. Committee: The Student Council at a certain school has eight members. Four members will form an executive committee consisting of a president, a vice president, a secretary, and a treasurer. x 13 14 15 16 17 Part 1 of 4 P(x) 0.08 0.24 0.23 0.28 0.15 0.02 In how many ways can these four positions be filled ? Send data to Excel There are 1680 ways to fill the four positions Part 1 of 2 Part 2 of 4 (a) Find the standard deviation of the ages. Round the answer to four decimal places. In how many ways can four people be chosen for the s not matter who gets which position? The standard deviation of the ages is |1.2500 There are | 70 ways to choose four people for t ve committee if it does not matter who gets which position. Part: 2 / 4 Part: 1 / 2 Part 3 of 4 Part 2 of 2 Four of the people on Student Council are Zachary, Yolanda, Xavier, and Walter. What is the probability that Zachary is (b) Find the variance of the ages. Round the answer to four decimal places. president, Yolanda is vice president, Xavier is secretary, and Walter is treasurer? Round your answers to at lea The variance of the ages is The probability that Zachary is president, Yolanda is vice pre ent, Xavier is secretary, and Walter is treasurer is extracurricular activities a college Following is the probability distribution of a random variable that repres Fifteen items or less: The number of customers in line at a supermarket express checkout counter is a random variable with the 1 0 1 2 3 following probability distribution. P(x) 0.07 0.14 0.45 0.21 0.13 x 0 1 2 3 Send data to Excel P (xx) 0.10 0.20 0.30 0.20 0.10 0.10 Part 1 of 3 V Send data to Excel (a) Find the probability that a student participates in exactly two activities. Part : 0 / 7 e probability that a student part es in exactly two activities is 0.45 Part 1 of 7 Part 2 of 3 V (a ) Find P ( 3 ) . (b) Find the probability n more than two activities. The probability that a st n more than two activities is 0.34]. P (3) =] Part : 2 / 3 Part 3 of 3 Skip Part Check Answer Save For Later Submit Assignment (c) Find the probability that a student partic The probability that a student particA binomial experiment has the given number of trials 72 and the given success probability P. A binomial experiment has the given number of trials 72 and the given success probability P. n=8, p=0.3 n = 12, p= 0.8 Part : 0 / 3 Part: 0 / 3 Part 1 of 3 Part 1 of 3 (a) Determine the probability P (3). Round the answer to at least three decimal places. a) Determine the probability P (11 or more). Round the answer to at least four decimal places. P (3 ) = P (11 or more) = our flight has been delayed: At Denver International Airport, 87% of recent flights have arrived on time. A sample of 12 ghts is studied. Round the probabilities to four decimal places, College bound: A national college researcher reported that 67% of students who graduated from high school in 2012 enrolled in college. Twenty eight high school graduates are sampled. Part 1 of 4 Part 1 of 2 (a) Find the probability that all 12 of the flights were on time. The probability that all 12 of the flights were on time is (a) What is the mean number who enroll in college in a sample of 28 high school graduates? Round the answer to two decimal places. The mean number who enroll in college in a sample of 28 high school graduates is Part 2 of 4 ) Find the probability that exactly 10 of the flights were on time . The probability that exactly 10 of the flights were on time is Part 2 of 2 (6) What is the standard deviation of the number who enroll in college in a sample of 28 high school graduates? Round the answer to four decimal places. Part 3 of 4 The standard deviation of the number wit (c) Find the probability that 10 or more of the flights were on time. graduates is The probability that 10 or more of the flights were on time is Part 4 of 4 (8) Would it be unusual for 14. or more of the flights to be on time? "(ichoose one) v | be unusual for 11 or more of the flights to be on time since the Question 5 of 7 (1 pamil) | Allamal 1 of Umamited | View question in a popup Coronary bypass surgery: A healthcare research agency reported that 46 %% of people who had coronary bypass surgery in 2008 were over the age of 6). Thirteen coronary bypass patients are sampled. Car inspection: Of all the registered automobiles in a city, 7% fall the emissions test. Nine elected at random to undergo an emissions test. Round the answers to four decimal places. Part 1 of 2 Part 1 of 4 (3) Find the probability that exactly three of them fall the test. (a) What is the mean number of people over the age of 65 in a sample of 13 coronary bypass patients? Round the answer to two decimal places. The probability that exactly three of them fall the test is The mean number of people over the age of 65 is. Part 2 of 4 (b) Find the probability that fewer than three of them fall the test. The probability that fewer than three of them fail the test is Part 2 of 2 b) What is the standard deviation of the number of people over the age of 65 in a sample of 13 coronary bypass patients? Round the answer to four decimal places. Part 3 of 4 (c) Find the probability that more than two of them fall the test. The standard deviation of the number of people over the age of 65 is d of them fall the test Part 4 of 4 ( c ) Would it be unusus It (Choose one) > ] be unusual for more