Question 8 A recent study found that 29 % of college students change programs during their college career. a) If you randomly select 8 college graduates, what is the probability that more than 6 changed programs? Answer b) If you randomly survey 400 college graduates, how many students would you expect to have changed programs? Answer students

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: A survey of California community college statistics students were asked their student status and…

A: The table shows the student status and type of class.

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A: Given Information: The percentage of students using mechanical pencils =25% Number of the sample…

Q: About 8% of males are colorblind. Researcher needs the colorblind men for an experiment. What is the…

A: Given, n=9 p=8%=0.08

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: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

Q: about 13% of the population if left-handed. if three people are randomly selected, what is: the…

A:

Q: Approximately 6% of American drivers d not text while they drive. Suppose you are working with a…

A: It is given that the proportion of American drivers do not text while they drive (p) is 0.06 and the…

Q: Suppose that 24% of people own dogs. If you pick 4 people at random, what is the probability that…

A: Given Information:24% of people own dogs.

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

A:

Q: Among the adults in a large city, 34% have a college degree. A simple random sample of 100 adults is…

A:

Q: Suppose that 84% of students in a college have a smart phone. If you select three students at…

A: sample size(n)=3 p=0.84 Let "x" be no.of students have a smart phone x~Binomial(n=3,p=0.84)…

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: 2002, approximately 39% of the people eligible to vote in mid-term elections voted. Suppose you have…

A: the number of trials n=7the number of successes x=0the probability of success on a single trial…

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: If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 900 are…

A: Solution:Binomial distribution approximated to normal distribution or not is checked below:It is…

Q: According to one study conducted at the University of Texas, 70% of all Americans can do routine…

A: p = 0.7 n = 8

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A:

Q: In a poll conducted on February 3 through 18 in 2021  41% of the United States was found to be…

A: According to the given information,Probability of success, p = 41% = 0.41Sample size, n = 10Let X be…

Q: A store gathers some demographic information from their customers. The following chart summarizes…

A: Answer:  Total number of customers =90+56+84+53+70+73=426 a)P(20<X<50)=(56+84+53)/426…

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: According to Wealth committee data, 0.4% of people have anemia. One thousand people are randomly…

A: Given that  p=0.4%=0.004 , n=1000

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: Suppose that 30%30% of all college freshmen gain weight. A sample of 1818 is selected randomly.…

A:

Q: In 2002, approximately 39% of the people eligible to vote in mid-term elections voted. Suppose you…

A: Number of trials n=7Success of probability p=0.39X~binomial (n,p)nCx=n!/x!(n-x)!Probability mass…

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

A:

Q: Suppose that 30% of people own dogs. If you pick two people at random, what is the probability that…

A: Let X be the number of dogs from binomial distribution with probability (p) = 30% = 0.30 and sample…

Q: Social Networking Based on data from the Pew Internet Project, 74% of adult Internet users use…

A: The probability of getting an adult Internet user who uses the social networking sites is 74%.

Q: 5. Out of all registered vehicles in California, 95% of them pass the State Emissions Test. If ten…

A: Given information Probability of passing the emission test p = 0.95 10 vehicles are selected X…

Q: Suppose that 68% of people are left handed. If 24 people are selected at random, what is the…

A: Here, probability that the people are left handed is 0.68 and sample size 'n' is 24.

Q: Approximately 90% of all people are night-handed. Consider a grouping of ten people. What is the…

A: Percentage of right handed people is 90%. Number of total people in a group is 10.

Q: Approximately 11% of students at BCC are Criminal Justice majors. If you take a simple random sample…

A: Let X= number of students who are Criminal Justice majors the probability of a student being…

Q: If you select a random sample of 144 smartphone​ owners, what is the probability that the sample…

A: Given that,,n=144P( 22.5<< 23.5)=?

Q: In probability and statistics, what is each repetition of an experiment called?

A: In probability and statistics, what is each repetition of an experiment called Trial.

Q: According to a study 20% of corporate officers are women. Suppose that you select a random sample of…

A: Z-score for proportion:

Q: Approximately 90% of all people are right handed. Consider a grouping of 20 people. What is the…

A: Let us assume X= event that a person is right-handed.  Given that the probability of getting X is…