Employment data at a large company reveal that 55 % of the workers are married, that 41 % are college graduates, and that 1/5 of the college graduates are married. What is the probability that a randomly chosen worker is: a) neither married nor a college graduate? Answer = 7.3 % b) married but not a college graduate? Answer = 37.5 % c) married or a college graduate? Answer =

Q: 35% of UR students are international students. Of those who are international students, 15% are on…

A: Solution: Let A be the UR students are international students and B be the UR students are on the…

Q: In a survey of consumers aged 12 and​ older, respondents were asked how many cell phones were in use…

A: In a survey of consumers aged 12 and​ older, respondents were asked how many cell phones were in use…

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: A survey from Teenage Research Unlimited found that 40% of teenage consumers receive their spending…

A: Solution: Let X be the number of teenage customers will have part-time jobs. From the given…

Q: Find the probability that exactly 2 flights had delayed take-offs.

A: At a certain airport, 10% of flights experienced delayed take-offs because of airport operations. 15…

Q: According to a study, 79% of K-12 schools or districts in a country use digital content such as…

A: Let,Event D = Schools or districts in a country use digital content.Event C = Schools use digital…

Q: Eighty-two % of trees planted by a local landscaping company survive. In a random sample of 200…

A: Solution

Q: A random student will be selected from the College of Engineering. The number of male (B) and female…

A:

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

A:

Q: what is the probability that the student owns a. either a laptop or a personal computer or both. b.…

A: Total number of students= 600 Number of students who own laptop= 150 Number of students who own…

Q: Assume that the critic finds that 25 percent of the movies have positive comments about the plot, 40…

A: The event A is defined as the movies have positive comments about the plot, event B is defined as…

Q: A poll is given, showing 35% are in favor of a new building project. If 10 people are chosen at…

A: given dataP(favor new project) = p = 0.35sample size (n) = 10x = no. of people favor new project…

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 poll is given, showing 25% are in favor of a new building project. If 10 people are chosen at…

A: According to the given information, we have A poll is given, showing 25% are in favor of a new…

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

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: A survey reveals that 80% of the eligible people in a certain county vote during a county election.…

A: Here, n = 70 and p = 0.80.

Q: Suppose a math class contains 47 students, 24 females (four of whom speak French) and 23 males (six…

A:

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

A: Given information- Sample size, n = 510 The proportion of eligible voters = 0.54 Now, from Binomial…

Q: According to a survey, 36.7% of people who visit Disney World have children under 18 in their…

A: A: People who visit Disney World have children under 18 in their household   B:  Household with…

Q: What probability should be found? A. 1-P (5 female undergraduates take on debt) В. 1+ P (5 female…

A: p = 0.109n = 20

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: According to a study, 77% of K-12 schools or districts in a country use digital content such as…

A:

Q: A survey of 400 randomly selected high school students determined that 286 play organized sports.…

A: The objective of this question is to find the probability that a randomly selected high school…

Q: A poll is given, showing 65% are in favor of a new building project. If 10 people are chosen at…

A: Given,65% are in favor of a new building project. That is, probability of success is p = 65% =…

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

A:

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A:

Q: In a sample of 1500 adult U.S. citizens, 690 said that Donald Trump was the worst president in U.S.…

A: Sample of size(n)=1500X=no.of adults who said Donald trump was the worst president in…

Q: A poll is given, showing 25% are in favor of a new building project. If 9 people are chosen at…

A: Given data, p=25%=0.25 n=9 P(X=8)=?

Q: The probability that an adult possesses a credit card is .65. A researcher selects two adults at…

A: P(posseses credit card ) = p = 0.65 So q  =1-p = 0.35 Select two at random

Q: Employment data at a large company reveal that 59 % of the workers are married, that 27 % are…

A: Given,Employment data at a large company reveal that 59% of the workers are married. That is, P(M) =…

Q: According to a study, 76% of K-12 schools or districts in a country use digital content such as…

A: It is given that the probability that K-12 schools or districts in a country use digital content…

Q: Of the cartons produced by a​ company, ​4% have a​ puncture, 3​% have a smashed​ corner, and 0.7​%…

A: Probability quantifies the chances of the happening of an event. The probability values always lie…

Q: Suppose a math class contains 42 students, 18 females (six of whom speak French) and 24 males (four…

A: given that , total students =42 , female students = 18, male students = 24. Female students who can…

Q: According to a study, 74% of K-12 schools or districts in a country use digital content such as…

A: Given datan=10x=5p∧=xn=510=0.5Po=74%=0.74

Q: The required sample size for the interval estimation of the population mean µ can be computed if we…

A:

Q: Of the cartons produced by a​ company, 7​% have a​ puncture, 10​% have a smashed​ corner, and 1.1​%…

A:

Q: In a survey of students, 60% were in high school and 40% were in middle school. Of the high school…

A: A measure of the likelihood or chance of an event occurring is termed 'probability'. It quantifies…

Q: An animal shelter had a 65 % adoption rate for puppies. Of all puppies in the shelter , 75% live to…

A:

Q: Employment data at a software company reveal that 50% of employees have a computer science degree,…

A: Obtain the probability that a randomly chosen employee is female or has a computer science degree.…

Q: Between 7 and 12 (including 7 and 12) of them major in STEM.

A: Given, Number of College Students are selected = n = 39  Probability of successes i.e students major…