In a large population, 64% of the people have been vaccinated. If 4 people are randomly selected, what is the probability that at least one of them has been vaccinated? Give your answer as a decimal to at 4 places.

Q: At TCNJ, 35% of the engineering majors belong to ethnic minorities. If 6 students are selected at…

A: Given,n=6p=0.35X=no.of students belong to ethnic minorityX~Binomial (n=6 , p=0.35)P(X=x)=nx pxqn-x…

Q: In a large population, 51 % of the people have been vaccinated. If 5 people are randomly selected,…

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Q: In a large population, 66 % of the people have been vaccinated. If 3 people are randomly selected,…

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Q: A group of people were asked if Marilyn Monroe had an affair with JFK. 241 responded "Yes", and 292…

A: From the provided information, The number of people who responded “Yes” that they had an affair with…

Q: A history class is comprised of 4 female and 8 male students. If the instructor of the class…

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Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Given, n = 12 p = 26% = 0.26 X = 8 Let X be the couples will have a destination wedding.   X ~ B…

Q: A history class is comprised of 9 female and 4 male students. If the instructor of the class…

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Q: In a large population, 67 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given: Let X be the number of people has been vaccinated.   n=5 and p=0.67 X ~ B (n=5, p=0.67)

Q: In a large population, 57 % of the people have been vaccinated. If 5 people are randomly selected,…

A: We have given that  Sample size n= 5 Success of probability p=57%=0.57 X~binomial ( n ,p)

Q: In a large population, 71 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given p=0.71, n=4  X ~ Binomial(n=4 ,p=0.71)

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given: The probability of eligible voters in the next election who will vote for the incumbent is…

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

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Q: In a recent study nationwide, it was found that 51% of people lost their keys in the past year. If…

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Q: A group of people were asked if Marilyn Monroe had an affair with JFK. 265 responded "Yes", and 327…

A: Total number of respondents is:

Q: In a large population, 57 % of the people have been vaccinated. If 3 people are randomly selected,…

A: It is given that 57% of the people have been vaccinated. A sample of 3 is considered. At least one…

Q: Fifty-eight percent of runaways in the United States are female. If 20 runaways are selected at…

A: Given Information Probability of female on the Runaways p = 0.58 Let X denotes No of female No of…

Q: In a large population, 60 % of the people have been vaccinated. If 4 people are randomly selected,…

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Q: A group of people were asked if life exists elsewhere in the galaxy. 336 responded "Yes", and 400…

A: The number of people believe in existence of life elsewhere in the galaxy is 336. The number of…

Q: In a large population, 51 % of the people have been vaccinated. If 4 people are randomly selected,…

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Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: A baseball player has a batting average of 0.215 What is the probability that he has exactly 3 hits…

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Q: In a large population, 52 % of the people have been vaccinated. If 3 people are randomly selected,…

A: P(vaccinated) =p = 0.52 P(not vaccinated) = 1-0.52 = 0.48

Q: In a large population, 68% of the people have been vaccinated. If 5 people are randomly selected,…

A: Givenp=0.68n=5Let x be no.of people vaccinatedx~Binomial(n=5,p=0.68)P(X=x)=(nx)×px×(1-p)n-x   ;…

Q: In a school, 70% of males play soccer, and 12% of females play soccer. The school consists of 55%…

A: Conditional probability:  Let A and B be two events related to a random experiment. Then the…

Q: Out of 27 students in a class, 7 major in Nursing. Find the probability that two randomly selected…

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Q: In a large population, 71 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Solution: Let X be the number of people have been vaccinated and n be the sample number of people.…

Q: The owner of a car wash shop noticed that on normal days there are 4 cars that enter the shop at one…

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Q: In a large population, 64% of the people have been vaccinated. If 3 people are randomly selected,…

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Q: A pharmacist receives a shipment of 18 bottles of a drug and has 3 of the bottles tested. If 5 of…

A: 20) A pharmacist receives of shipment of 18 bottles of a drug and 3 of the bottles are tested. If 5…

Q: In a large population, 58% of the people have been vaccinated. If 3 people are randomly selected,…

A: Given, 58% of the people have been vaccinated. that is

Q: The time taken by brake discs to overheat on construction equipment is normally distributed with…

A: X be time taken by brake discs to overheat on construction equipment. and X has normally…

Q: A history class is comprised of s female and 6 male students. If the instructor of the class…

A: Given: Number of females = 8 Number of males = 6 Total number of students = 8+6…

Q: In a large population, 68% of the people have been vaccinated. If 5 people are randomly selected,…

A: P(vaccinated) = 68% = 0.68Sample size = 5

Q: A baseball player has a batting average of 0.37. What is the probability that he has exactly 1 hits…

A: Binomial distribution : A discrete random variable x is said to be binomial distribution with the…

Q: In a recent survey, 72% of the community favored building a health center in their neighborhood. If…

A: It is given that n = 14 and p = 0.72.

Q: In a large population, 68 % of the people have been vaccinated. If 4 people are randomly selected,…

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Q: In a large population, 63 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Introduction: Denote X as the random variable of interest here, which is the number of people who…

Q: Find the probability of being dealt a red ace, a two, then a three, in this order, without replacing…

A: P(E) = Number of favourable outcomesTotal number of possible outcomes Total number of possible…

Q: In a large population, 67 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Let us denote X=the number of people who have been vaccinated n=sample size= 4 p=probability of…

Q: In a factory, there were 12 accidents involving machinery in the last six months.  (d) Calculate…

A: Given, In a factory, there were 12 accidents in the last 6 months => 12/6 = 2 accidents per month…

Q: A basketball player has a 0.654 probability of making a free throw. If the player shoots 13 free…

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Q: Of 100 patients in a hospital with a certain disease, ten are chosen to undergo a drug treatment…

A: Let us define some events A : a patient undergoes drug treatment. B : a patient does not undergo…

Q: A survey by Altgeld Travel Magazine found that 85% of airline passengers prefer to sleep during…

A: Solution: 6. a. Let X be the number of passenger prefer to sleep during their flights and n be the…

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 10 men are randomly​…

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Q: A group of people were asked if life exists elsewhere in the galaxy. 247 responded "Yes", and 432…

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Q: A recent survey of 2500 people who own tablets showed that 1,654 use the device to play games, 1,001…

A: Let G be the event that a person uses tablet for playing games and E be the event that a person uses…

Q: In a large population, 56% of the people have been vaccinated. If 5 people are randomly selected,…

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Q: A college basketball player makes 80% of his free throws. Over the course of the season, he will…

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Q: a large population, 60 % of the people have been vaccinated. If 4 people are randomly selected, what…

A: Given data, n=4 p=60% =0.60 P(X>=1)=?