A group of students consists of 5 females and 10 males. If 8 students are to be selected at random (without replacement),determine the probability that all will be male. Use 6 decimal places. (Also, does this use hypergeometric distribution? How?)

Q: Assume that when adults with smartphones are randomly selected, 48% use them in meetings or classes.…

A: From the provided information, 48% of adults with smartphones use their smartphone in meeting or…

Q: In a certain country, the true probability of a baby being a girl is 0.469. Among the next four…

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Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given, P(Adults using smart phones in meetings or classes)= p = 54% = 0.54 Sample size n = 5 exactly…

Q: Assume that when adults with smartphones are randomly selected, 62% use them in meetings or classes.…

A: From the provided information, 62% of the adults uses smartphones in meeting or classes that is p =…

Q: If a tire plant is not causing cancer, then we can expect u = 3 cancer deaths over a 20-year period.…

A: We have to use Poisson distribution. Poisson distribution : Poisson random variable defines number…

Q: Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes.…

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Q: In 2017 there were a total of 31 shark attacks along the coast of Florida. Suppose 1 million people…

A: Probability of a shark attack happening = 31/1000000 = 0.000031 This follows the Binomial…

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly selected, 59% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly selected, 52 % use them in meetings or…

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Q: A shipment of 80 burglar alarms contains 4 that aredefective. If 3 from the shipment are randomly…

A: The moment generating function of Binomial distribution is dependent on its parameters which are…

Q: Suppose a life insurance company insures the lives of 4000 women aged 50. If the actuarial studies…

A: Let X denote the number of 50-year old women who die in a given year. Then, it is given that:…

Q: Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A: Solution: Let X be the number of adults use their smartphones in meetings or classes and n be the…

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

A: Given that, 46​% adults use their smartphones in meetings or classes. Sample size, n = 25

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: Obtain the probability that exactly 18 of them use their smart phones in meetings or classes.…

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: Given: About 41% of adults use their smartphones in meetings or classes. 15 smartphone users are…

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: Solution: 2. Let X be the number of adults use their smartphones in meetings or classes and n be the…

Q: If the group contains 6 women, what is the probability that the two chosen will both be women

A: It is given that Total consumers = 20 Number of women = 6 Sample size = 2

Q: Suppose that 12 young people apply for 8 vacancies at a local restaurant. Because the applicants are…

A: Let X be the random variable that denotes the number of women filling the vacancies (out of the 12…

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly selected, 64% use them in meetings or classes.…

A: Given, sample size = n = 8 Probability = p = 64% = 0.64 Number of smartphones users use their…

Q: A particular brand, X, is known to have a market share of 35%. Suppose that in a survey, 2000 consum…

A: Givenp=0.35n=2000By using normal approximationMean(μ)=n×p=2000×0.35=700standard…

Q: Next question Assume that when adults with smartphones are randomly selected, 43% use them in…

A: Given: 43% of adults use smartphones in meetings or classes. p = 0.43 5 adult smartphone users are…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: We have to find given probability..

Q: Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain…

A: Given,The mean number of hurricanes in a certain area is 5.4Let X=no.of hurricanes in a certain…

Q: Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain…

A: Solution: Let X be the number of hurricanes in a certain area. From the given information, X follows…

Q: Jaylen, a basketball player, is known to make 41% of his shots. What is the probability distribution…

A: Given that  Success of probability p =41%=0.41 Number of trials n=7 X~binomial (n,p)

Q: If the probability is 0.20 that a certain bank willrefuse a loan application, use the normal…

A: Given that, n =225, p =0.20 The values of mean and standard deviation are,

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: Let x follows binomial distribution with parameters n =5 and p = 0.47.   The pdf of binomial…

Q: Suppose that 2 balls are randomly selected from an urn containing 3 red, 4 blue, and 5 white balls.…

A: Given: Red balls: R1, R2, R3 Blue balls: B1, B2, B3, B4 White balls: W1, W2, W3, W4, W5 X: Number of…

Q: The unemployment rate in a city is 11%. If 9 people from the city are sampled at random, find the…

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Q: According to a survey in a country, 38% of adults do not own a credit card. Suppose a simple random…

A: Given Data population proportion,p = 0.38 sample size n = 300

Q: Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes.…

A: Obtain the probability that exactly 24 of them use their smart phones in meetings or classes. The…

Q: A jury of 12 people is selected at random from a group of 16 men and 18 women. What is the…

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Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes…

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Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A: Let "X" be the adults who use their smartphones in meetings or classes. I will use excel formula…

Q: In a population where 85 % of voters prefer Candidate A, an organization conducts a poll of 14…

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Q: The Jones family was one of the first to come to the U.S. They had 4 children. Assuming that the…

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Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: Answer - Given P = 55% = 0.55,   n = 6             Using Binomial distribution  Binomial(n, P)…

Q: Based on a smartphone survey, assume that 56% of adults with smartphones use them in theaters. In a…

A: Given information- Sample size, n = 260 Percentage of adults with smartphones, p = 0.56 We have to…

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes.…

A: Solution: Let X be the random variable that the number of adults use their smartphones in meeting or…

Q: Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly selected,56​% use them in meetings or classes.…

A: From the provided information, 56​% of adults use smartphones in meetings or classes that is p =…

Q: Each of the 6 tubes of a radio set has a life length (in years) which may be considered as a RV that…

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Q: The time it takes to travel from home to the office is normally distributed with μ = 25 minutes and…

A: From the provided information, Mean (µ) = 25 Standard deviation (σ) = 5 Let X be a random variable…

Q: Assume that when adults with smartphones are randomly selected, 38% use them in meetings or classes.…

A: