Ecording tó thẻ Nèw York Times, eleven percent of parents helped their college ildren write an essay. If I collect seven essays, that is the probability that at most o of those submissions had parental assistance?7

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: Suppose the probability of an IRS audit is 2.0 percent for u.s taxpayers who file form 1040and who…

A: Given information- The probability of an IRS audit is 2.0 percent for U.S taxpayers. So, Number of…

Q: There are 10 questions on a multiple-choice quiz. Each question has four possible answers. Suppose…

A: The number of multiple-choice questions is 10. The number of possible outcomes is 4.

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

A:

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: I need help with providing the formula and answer... Question: If your stats class contains 10…

A: 10 business majors 6 - biology majors 4 - math majors ________________________ 20 - total students…

Q: what is the probability that greater than 12.72% of them ended up dropping out?

A: Let p be the dropout rate of high school. Given that, Population proportion (p) = 10.28% = 0.1028 q…

Q: You have 10 children in preschool class. The probability of getting sick from a virus they have been…

A:

Q: In the US, 10.5% of the population is diabetic. What is the probability that in a random sample of…

A: Suppose p is the true proportion of diabetic people in the U.S.

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

A: From the provided information,41% of the United States was found to be Independent in political…

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 candy dish contains nine brown and four red M&Ms. A child selects four M&Ms without checking the…

A:

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

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: 24% of all students enjoy the school lunch.  If there are 2000 students at the school, what is the…

A: It is given that n=2000 and p=0.24.

Q: What is the probability that a family with 3 children is budgeting to spend more than $3,000 on…

A: Given: Number of families with 3 children who is budgeting to spend more than $3,000 on vacation=11…

Q: Color blindness has a rate of about 5% among males.  If you pick a group of 15 males, what is the…

A:

Q: Imagine a woman has a positive mammogram. What is the probability that she has breast cancer?

A: Here use Bayes rule and tree diagram  Define events as follows  C = women have breast cancer  T =…

Q: For a story she is writing in her high school newspaper, Grace surveys moviegoers selected at random…

A: There are two categorical variables which are rating and age. Rating has 2 types which are thumbs up…

Q: Suppose the probability of a IRS audit is 2.1% for U.S. taxpayers who file form 1040 and who earned…

A:

Q: d) The probability of a household size being three OR six is %.

A: From the above table,  P(3)= 0.158 and P(6)= 0.024

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: Suppose the probability of an irs audit is 1.4 percent for us tax payers who file form 1040 and who…

A: Given Probability of audit =1.4% Probability of no IRS audit=1-0.014=0.986

Q: Use the following results from a test for marijuana use. Among 153 subjects with positive test​…

A: a. It is given that among 153 subjects with positive test​ results, there are 23 false positive (FP)…

Q: Among 150 subjects with positive test​ results, there are 21 false positive​ results; among158…

A: According to the provided data, among 150 subjects with positive test results, there are 21 false…

Q: If the probability of a person winning on a scratch-off lottery ticket is 0.016, the odds of winning…

A: Given: P(winning a scratch -off lottery ticket) = 0.016

Q: games. Suppose they play seven games against the New York Islanders in a season. What is the…

A: It is given that the probability of win the games is p = 63.4% = 0.634 of the New York Rangers. The…

Q: Suppose the probability of an IRs audit is 4.2 percent for U.S taxpayers who file form 1040 and who…

A:

Q: What is the probability that of the 77 people selected more that 50% will have a cat at home.

A: It is given that Sample size n = 77 Population proportion = 0.3313

Q: Jacobs & Johnson, an accounting firm, employs 19 accountants, of whom 8 are CPAs. If a delegation of…

A: GivenTotal no.of accountants=19No.of CPAs=8No.of non CPAs=11