According to an article, 48% of adults have experienced a breakup at least once during the last 10 years. Of nine randomly selected adults, find the probability that thenumber, X, who have experienced a breakup at least once during the last 10 years isa. exactly five; at most five; at least five.b. at least one; at most one.c. between six and eight, inclusive.d. Determine the probability distribution of the random variable X.

Answered: According to an article, 48% of adults…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Based on a poll, among adults who regret getting tattoos, 23% say that they were too young when they got their tattoos. Assume that ten adults who regret getting tattoos are randomly selected, and find the indicated probability. a. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos.
47% of all violent felons in the prison system are repeat offenders. If 48 violent felons are randomly selected, find the probability that a. Exactly 22 of them are repeat offenders. b. At most 24 of them are repeat offenders. c. At least 24 of them are repeat offenders. d. Between 20 and 25 (including 20 and 25) of them are repeat offenders.
Based on a poll, among adults who regret getting tattoos, 28% say that they were too young when they got their tattoos. Assume that seven adults who regret getting tattoos are randomlyselected, and find the indicated probability. Complete parts (a) through (d) below a. Find the probability that none of the selected adults say that they were too young to get tattoos. b. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos c. Find the probability that the number of selected adults saying they were too young is 0 or 1 d. If we randomly select seven adults, is 1 a significantly low number who say that they were too young to get tattoos? (No, yes) because the probability that (at least 1, exactly 1, less then 1, more then 1, at most 1) of the selected adults say that they were too young is (greater then, equal to, less then) .05
Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. A.Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. mun equals child(ren) (Round to one decimal place as needed.) b. Find the standard deviation of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. sigma equals child(ren) (Round to one decimal place as needed.)
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seventy-five percent of the students graduating from high school in a small will attend college. for a random sample of 50 students from the town, what is the probability that: A. at least 80% of the students surveyed will attend college? B. between 80% and 85% (inclusive) of the surveyed students will attend college?
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A local country club has a membership of 600 and operates facilities that include an 18-hole championship golf course and 12 tennis courts. Before deciding whether to accept new members, the club president would like to know how many members regularly use the facility. A survey of the membership indicates the following distribution: Golf only 270 Tennis only 150 Tennis and golf 150 No facilities 30 Total 600 . Find the probability that a randomly selected member plays golf only. Round your answer to four decimal places. . Find the probability that a randomly selected member does not use any facilities. Round your answer to four decimal places. . Find the probability that a randomly selected member plays golf or tennis. Round your answer to four decimal places.
27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 40 college students are randomly selected, find the probability that c. At least 10 of them major in STEM. ? d. Between 4 and 8 (including 4 and 8) of them major in STEM. ? Round all answers to 4 decimal places.
59% of all violent felons in the prison system are repeat offenders. If 36 violent felons are randomly selected, find the probability that a. Exactly 20 of them are repeat offenders. b. At most 23 of them are repeat offenders. c. At least 21 of them are repeat offenders. d. Between 18 and 22 (including 18 and 22) of them are repeat offenders.
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