From a group of 3 men and 4 women, a delegation of 2 is selected. What is the expected number of men in the delegation?

Q: Suppose 40% of the chocolate bars are $100, 10% are worth $200, 30% are wortg $50, and 20% are worth…

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Q: A jury pool consist of 27 people, 14 men, and 13 women. Compute the probability that a randomly…

A: Given data, Jury pool consists of 27 people. Men= 14 Women= 13   P(12 male)=?

Q: In a random group of 5 individuals, what is the probability that at least two of them have the same…

A: We have given that the group of 5 individuals.

Q: A school has 12 good runners of which 5 are girls. If four are chosen at random to represent the…

A: Given that a school has 12 good runners of which 5 are girls.  So (12-5)=7 are boys   We can select…

Q: From a group of 9 boys and 12 girls, a committee of 4 students is chosen at random. a. What is the…

A: Given: 9 boys 12 girls Total = 12+9 =21 students

Q: In a large population, 59 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Binomial distribution:It is a discrete probability distribution that has exactly two outcomes for…

Q: In a group of 15 people 5 can speak german. If 3 people are selected at random to be sent on a…

A: Total number of persons = 15 Number of persons who speak German = 5 Sample size = 3

Q: from a group of 3 men and 4 women, a delegation of 2 is selected. What is the expected number of men…

A: We have given that 3 men and 4 men. Let p be the probability of men  Let X be the number of men.…

Q: Find the probability of obtaining two heads in the toss of two unbiased coins when (a) at least one…

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Q: In a large population, 69% of the people have been vaccinated. If 5 people are randomly selected,…

A: Given: Sample size (n) = 5 p(people have been vaccinated) = 0.69 Formula: Let "X" be the people that…

Q: 4. The class is randomly divided between three instructors, with 6 people going to each instructor.…

A: As per guidelines we will solve the first question only, please repost other questions for more…

Q: In a nearby​ town, 68​% of adults have health insurance. If 7 adults are randomly selected from the​…

A: Here p =P(having health insurance) = 68% =0.68

Q: A jury of 12 members is to be selected from a panel consisting of 8 men and 8 women. a. How many…

A: Given: Number of men=8 Number of women=8 Total number of Men and Women is, Total member=8+8=16 It is…

Q: Suppose that a course has 3 sections with 50, 70, and 80 students, respectively. We random pick one…

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Q: If a class has 8 boys and 10 girls, determine the following ( assuming that the order of selection…

A: In question, Given that If a class has 8 boys and 10 girls. Then we'll find,  (a). The number of…

Q: 60% of the voters favor Ms. Stein. If 250 voters are chosen at random, what is the expected number…

A: We have given that  p = 60% = 0.60 n = 250 X ~ B( 250, 0.60 ) In Binomial distribution, Expected…

Q: You take eight cards - two 2's, two 3's, two 4's, and two 5's - and form a deck. You shuffle the…

A: We have given that the eight card in which two 2’s, two 3’s, two 4’s and two 5’s.

Q: If a committee of 4 is to be chosen at random from a class of 10 students, what is the probability…

A: The number of ways a committee of 4 can be chosen from a class of 10 students =104 ways Note that…

Q: A poll is given, showing 55% are in favor of a new building project. If 5 people are chosen at…

A: Given Information: Proportion p=0.55 Sample size n=5 The objective is to find the probability that…

Q: A pet supplier has a stock of parakeets of which 10% are blue parakeets.  A pet store orders 3…

A: It is given that n = 3 and p =0.10.

Q: A poll is given, showing 60% are in favor of a new building project. If 7 people are chosen at…

A: A poll shows that 60% are in favor of a new building project. Seven people are chosen at random.…

Q: A box contains 8 batteries, 3 of which are defective. What is the probability that, if a sample of 5…

A: Given that a box contains 8 batteries, 3 of which are defective.  Sample size = 5

Q: In a population where 26 % of voters prefer Candidate A, an organization conducts a poll of 5…

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Q: A poll is given, showing 60% are in favor of a new building project. If 10 people are chosen at…

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Q: A package contains ten yellow, six green, eight purple, and nine red candies mixed together. What is…

A: here given A package contains ten yellow, six green, eight purple, and nine red candies mixed…

Q: A committee of 4 is to be randomly selected from 8 women and 10 men. What is the expected number of…

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Q: For a departmental inquiry committee, an employer randomly selects a sample of three employees from…

A: The following information is available in the question Total number of employees = 10 Number of…

Q: An urn contains 7 white balls, 4 red balls, and 4 blue balls. What is the probability of selecting 9…

A: Given that  An urn contains White balls = 7 Red balls = 4 Blue balls = 4 Total balls in urn = 7 + 4…

Q: In a second grade class containing 14 girls and 11 boys, 2 students are selected at random to give…

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Q: If an urn has 5 white balls, 10 red balls, and 6 green balls, what is the probability that 4…

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Q: A poll is given, showing 55% are in favor of a new building project. If 8 people are chosen at…

A: Given,n=8p=0.55X=no.of people favor the new building projectX~Binomial (n=8 , p=0.55)P(X=x)=nx px…

Q: A poll is given, showing 35% are in favor of a new building project. If 8 people are chosen at…

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Q: A poll is given, showing 55% are in favor of a new building project. If 10 people are chosen at…

A:

Q: A group of 300 people are being split into teams of 3 (where order of teams and order within a team…

A: nCr=n!r!n-r!

Q: A poll is given, showing 60% are in favor of a new building project. If 8 people are chosen at…

A: Given p =0.6 and n=3   P(X>3)=1-P(X<3)               =1-Cxn px(1-p)n-x…

Q: A poll is given, showing 75% are in favor of a new building project. If 6 people are chosen at…

A: ANS#-> Let the random variable X has binomial distribution  With parameter   n = 6   ,  p = 0.75…

Q: A financial services committee had 60 members, of which 9 were women.  If 8 members are selected at…

A: Given, 8 members are selected at random from a committee of 60 members, then the total number ways…

Q: A class consists of 28 males and 52 females . If the professor selects names from the class list…

A: Given information- We have given that a class consists of 28 males and 52 females. Total students =…

Q: In a group of 500 women, 120 have played golf at least once. Suppose one of these 500 women is…

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Q: A jury of 6 members is to be selected from a panel consisting of 8 men and 8 women. a. How many…

A: Given :Number of man = 8 Number of females = 8 Total number of members = 8+8=16 We want to choose…

Q: A jury pool consists of 30 people, 18 men and 12 women. Compute the probability that a randomly…

A: From the provided information, A jury pool consists 30 people. Total men = 18 Total women = 12

Q: From a group of 4 men and 5 women, a committee of size 3 is to be selected. Find the probability…

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Q: A poll is given, showing 80% are in favor of a new building project. If 9 people are chosen at…

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Q: If you are randomly sampling one at a time with replacement from a bag that contains eight blue…

A: (a) Total no. of marbles = 8+7+5 = 20 P(drawing a blue marble) =820 P(drawing a red marble) = 720…

Q: 4) A committee of 7 is to be randomly selected from a small company employing 10 Engineers, 4…

A: It is given that Number of engineers = 10 Number of non-engineers = 4+6+5 = 15 Total = 10+15 = 25…

Q: A three-person jury is to be selected, at random, from a pool that has 6 people with green eyes and…

A: A pool that has 6 people with green eyes and 6 people with blue eyes. A 3-person jury is to be…

Q: A poll is given, showing 30% are in favor of a new building project. If 10 people are chosen at…

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Q: (11) A three-person jury is to be selected, at random, from a pool that has 6 people with green eyes…

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Q: Consider a political discussion group consisting of 3 Democrats, 8 Republicans, and 6 Independent:…

A: It is given that the There is a political discussion group consisting of 3 Democrats, 8 Republicans,…

Q: A box contains 4 red and 7 green marbles. If 10 marbles are drawn without replacement, what is the…

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