Suppose a university has 500 students, of whom 60% are female and 40% are male. Among the female students, 30% are majoring in computer science, while among the male students, 20% are majoring in computer science. What is the probability that a randomly selected computer science major is female? And what is the probability that a randomly selected student is either male or a computer science major?

Q: Suppose an insurance company has three types of customers-high risk, medium risk and low risk. From…

A: Given that: 25% of customers are high risk 25% of customers are medium risk 50% of customers are low…

Q: 40% of the managers in an international company have traveled abroad, 50% of them can speak foreign…

A: Let event T:Manager travelled abroad event F:Manager can speak foreign language. PT=0.4 therefore…

Q: Hospital records show that of patients suffering from a certain disease, 35% die of it. What is the…

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Q: In a group of students, 70% are taking an English class and 19% are taking a Chemistry class. Among…

A: Given that, P(E)= 70% = 0.70 P(C)= 19%= 0.19 P(C/E)= 7%= 0.07 P(C Ω E)=?

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

Q: In a sample of 1000 U.S adults, 199 think that most celebrities are good role models. Two U.S adults…

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Q: Out of a class of 30 students, there are 16 students who study Latin, 21 who study German, and 7 who…

A: Given,no.of students who study Latin(L)=16no.of students who study German(G)=21no.of students who…

Q: Approximately 9% of people are left-handed. If two people are selected at random, what is the…

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Q: Suppose 20% of the students in UCR commute to school every day. Among those who commute, 40% of them…

A: The objective of this question is to find the probability that a randomly selected student from UCR…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

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Q: Suppose 2% of cotton fabric rolls and 3% of nylon fabric rolls contain flaws. Of the rolls used by a…

A: From the given information Let C be the event that selected roll is cotton fabric and Let N the…

Q: In a statistics class, there are 18 male and 10 female students; 6 of the females are from the…

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Q: Among a company's employees, suppose that 65% like the work that they do for the company, 80% like…

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Q: The population has a mean of 14 and a standard deviation of 3. The sample size of your sampling…

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Q: What is the probability that a randomly selected student from a university with 60% female and 40%…

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Q: The World Bank Group suggests that a minimum of 6 GB of internet data per month per user is needed…

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Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: A campus radio station surveyed 500 students to determine the types of music they like. The survey…

A: A campus radio station surveyed 500 students. 207 like rock, 163 like country, and 119 like jazz.…

Q: Suppose that 70% of a town’s population have brown eyes, 40% have black hair, and 30% have both…

A: We have given  that population have brown eyes = 70% =0.70 population have black hair = 40% = 0.40…

Q: In a town of 5000 people, 1000 are over 60 years old and 2000 are female. It is known that 40% of…

A: Given: Total People in town=5000Number of people over 60=1000Number of females=2000Number of female…

Q: 75% of the students are commuters, 45% are female, and 30% are female commuters. If selected at…

A: Consider the following events, C=selected student is a commuterF=selected student is a female Given…

Q: about 38% of the population have blood type-O positive. If you randomly choose 4 people, what is the…

A: It is given that p = 0.38 and n = 4. The probability mass function of the binomial distribution is…

Q: In a city with 300,000 inhabitants, 55% of the population are men and 45% are women. If 40% of the…

A: PM=0.40PW=0.30 Where M and W are the events of the men and women who prefer to use public…

Q: Suppose that 9% of college undergraduates suffer from a psychological disorder. What is the…

A: Let p be the probability that an undergraduate has a psychological disorder. Given that p = 0.09 Let…

Q: ocal university has a student population that is 57% male. 64% of the students are undergraduates;…

A: In probability theory, an event is an outcome or a set of outcomes of a random experiment to which a…

Q: If 42% of students own a car and 27% of students own a bike. What is the probability that a student…

A: Given Data: The probability that student own a car is: P(A)=42% The probability that student own a…

Q: A bag contains five red marbles and eight white marbles. If a sample of three marbles contains at…

A: Solution-:Given: A bag contains 5 red marbles and 8 white marbles.If a sample of three marbles…

Q: In an NBA championship series, the team which wins four games out of seven will be the winner.…

A: Given information is: In an NBA championship series, the team which wins four games out of seven…

Q: Suppose a company has a workforce of 500 employees, of whom 60% are male and 40% are female. If 10%…

A: Number of employees (N)=500 60% male and 40% female  10% male and 25% female over age 50  We have to…

Q: Suppose that 85% of people are voting in the election. If you pick two people at random, what is the…

A: Obtain the probability that they both are voting in the election.   The probability that they both…

Q: Suppose a university has 10,000 students, of which 55% are female and 45% are male. If 40% of the…

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Q: In a certain college, 20% of the physics majors belong to ethnic minorities.  If 10 students…

A: Given information- We have given a problem of the binomial distribution. Probability of the physics…

Q: Suppose that historically, 66% residents in an apartment building own at least one pet. If there are…

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Q: In a class of 30 students, 12 students play basketball and 18 students play football. If 6 students…

A: Ans: - Given, a class of 30 students,         12 students play basketball and 18 students play…

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Assume that 65 percent of the students at the university have taken 4 years of high school math. Of…

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Q: Suppose a university has a student body of 10,000 students, of whom 60% are undergraduate students…

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Q: In a particular care facility, 8% of adults over 65 have Alzheimer’s. If a physician at this care…

A: Let us denote A= the event that a patient has Alzheimer’s  C= diagnosed positive Given that…

Q: The athletic department of a school has 16 full time coaches, and 4 of them are female. The director…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: n 2000, 86% of all Caucasians in the United States, 77% of all African-Americans, 77% of all…

A: It was stated that in 2000, 86% of all Caucasians in the United States, 77% of all…

Q: Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data:…

A: given data claim : The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. n…