Among 24- to 29-year-olds, 37% say they have operated heavy machinery while under the influence of alcohol. Suppose three 24- to 29-year-olds are selected at random. Complete parts (a) through (d) below. ... (a) What is the probability that all three have operated heavy machinery while under the influence of alcohol? (Round to four decimal places as needed.) (b) What is the probability that at least one has not operated heavy machinery while under the influence alcohol? (Round to four decimal places as needed.) (c) What is the probability that none of the three have operated heavy machinery while under the influence of alcohol? (Round to four decimal places as needed.)

Q: Research has shown that approximately 1 woman in 700 carries a mutation of a particular gene. About…

A: event A : gene mutationevent B : develop colon cancerP(A) = 1700P(B|A) = 0.55P(A∩B) = ?

Q: (4) Of 50 fitness buffs, 25 like bicycling, 35 like jogging, and 15 like bicycling and jogging. a.…

A:

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A:

Q: A survey showed that 82% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: Given  p = 0.82 n = 12 Here it follows binomial distribution with parameters n and p

Q: A recent survey showed that the probability of a student using an on-line motorcycle taxi is 0.6.…

A: From the provided information, Probability of a student using an on-line motorcycle taxi is 0.6. Let…

Q: At a summer camp, 72% of the campers participate in rope climbing and 26% participate in canoeing.…

A: Let us define the event. A: The campers participate in rope climbing B: The campers participate in…

Q: A certain math conference has 8,778 attendees.  Of these individuals, 6,659 are college professors,…

A:

Q: A nationwide survey of seniors by the University of Michigan reveals that almost 30.0% disapprove of…

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Q: survey, 31 percent of the residents of a certain state who are age 25 years or older have a…

A: Let B be the random variable such that number in the sample who have a bachelor's degree. A random…

Q: In 1970, 90% of 30-year-olds in a country earned more than their parents did at age 30 (adjusted for…

A: Given,P(in 1970 , 30 years old in a country earned more than their parents)=0.90P(in 2014 , 30 years…

Q: The gender and year of each of the 221 students in a high school band were recorded. The data are…

A: Step 1: State the given table:  Step 2: Recall the concept of probability: The probability is the…

Q: 29% of automobile drivers state that they have driven while under the influence of alcohol. Suppose…

A: Given that  n = 4 , p = 29% = 0.29 , q = 1 - p = 1 - 0.29 = 0.71 X ~ Binomial (n = 4 , p = 0.29) X =…

Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

A: Formula : Binomial distribution is given by

Q: Suppose that Latinos comprise 25% of voters in Tarrant County. What is the probability that at least…

A: Given: Probability of success (p) = 0.25 Number of trails (n) = 20

Q: A random sample of 450 adult is taken from a population of 15000. It is believed that 82% of the…

A:

Q: In a statistics class of 43 students, there were 15 men and  28 women. Five of the men and six of…

A:

Q: (a) Find the probability that a randomly selected person in a fatal car crash who was ejected from…

A: Here define events and draw tree diagram  Wearing seat belt = C Ejected from vehicle = E

Q: Atlantic Airways flights were late (arrived or departed 15 minutes late or more). A random sample of…

A: We have given that  Number of trials n=140 Success of probability p =20.4%=0.204 We use normal…

Q: A study showed that 67.4% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A: event A : wear seat beltB : ejected from vehicalP(A) = 0.674P(A') = 1 -0.674 = 0.326P(B|A) =…

Q: A study reports that 36% of companies in Country A have three or more female board directors.…

A: Percentage of companies in country A have three or more female board directors=36%p=0.36sample…

Q: hly selected, what is the probability of getting someone who has been in a car accident? Round to…

A: Define an event  A: Someone who has been in a car accident Given that, number of respondents who had…

Q: What is the probability of not ever rolling a “seven” (when the spots of the two dice sum to 7) in…

A:

Q: In a survey of employee satisfaction, the following table summarizes the results in terms of…

A: male female total satisfied 27 18 45 dissatisfied  33 22 55   60 40 100

Q: 3 out of 20 tires are defective and 6 of them are randomly selected. What is the probability that…

A:

Q: There were 49.7 million people with some type of long-lasting condition or disability living in the…

A: Givenp=19.3%=0.193n=1000Let "x" be the no.of people having a…

Q: Suppose that at Indiana State University, 35% of students are international students. What is the…

A: Solution-: Given: n=100,p=0.35 We find, P[40 students out of a randomly sampled group of 100 are…

Q: Suppose that at UCLA, 35% of students are international students. What is the probability that 40…

A: Solution-: Given: n=100,p=0.35 (35%) We find, P[X=40]=?

Q: Ten percent of people in Western countries consider themselves lucky. If 3 people are selected at…

A: Given, It is an example of binomial distribution with parameters n = 3,p =0.1    A probability mass…

Q: ... The probability that a randomly selected woman will carry the gene mutation and develop bladder…

A: It is given that approximately 1 woman in 500 carries a mutation of a particular gene. About 45% of…

Q: According to a study on teenage shopping behavior, it was found that 74% of female teens regularly…

A: Answer: Given that: p= 0.74 , n= 6 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…

Q: According to a study on teenage shopping behavior, it was found that 75% of female teens regularly…

A: Solution: Let X be the number of teenagers do their shopping in stores and n be the number of…