Suppose 38% of the teachers at a high school are male teachers. What is the probability that of your 6 classes, 4 of them have male teachers? 21.7% 12.0% 38.0% 15.5%

Q: At a certain university, 5% of men are over six feet tall and 2% of women are over 6 feet tall.…

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Q: About one in every five Canadian residents were born outside of Canada. If 12 Canadian residents are…

A: # Given, one in every fire Canadian residents were born outside of Canada Then fr(outside) = 1/5…

Q: In a town, 52% of the residents voted for Candidate C. If we randomly survey 3 residents, what is…

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Q: In 2014, approximately 13% of nonelderly Americans adults had no health insurance. Suppose that a…

A: Given: Proportion of American adults having no health insurance, p=0.13 Sample size, n=400

Q: If 58% of the people at a certain conference are doctors, 38% are men, and 18% are male doctors,…

A: Given If 58% of the people at a certain conference are doctors, 38% are men, 18% are male doctors,

Q: Adult bedroom: 0.03 Child bedroom: 0.15 Other bedroom: 0.14 Office or den: 0.40 Other rooms: 0.28…

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Q: If a teacher calls on a student randomly to answer a question, what is the probability the student…

A: Given : In a certain class of students, there are 9 boys from Morrow, 6 girls from Stockbridge, 10…

Q: The guidance department has reported that of the senior class, 4.3% are members of Key Club, K, 7.6%…

A: Here, P(K) =0.043 P(P) =0.076 P(Both)=0.019

Q: In a group of 40 people, 10 are healthy and every person the of the remaining 30 has either high…

A: Note: Hi! Thanks for posting the question. Since there are more than three sub-part questions, we…

Q: In a class, 50% of the students play basketball, 20% of the students play football and 10% of the…

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Q: In a group of 25 boys, 20 play basketball and 17 play baseball. They all play at least one of the…

A: Let, A=basketball B=baseball Given that: n(A)=20 n(B)=17 n(A or B)=25 So, n(A and B)=n(A)+n(B) - n(A…

Q: Wells were dug in a plain, and it was found that 15% of the water from the dug wells was not…

A: Solution: Given: Number of new wells: n = 10 It was found that 15% of the water from the dug wells…

Q: A teacher asks a class of 41 students about the sports they like. 17 of the students like tennis, 34…

A: First you will represent the given information in the form of a Venn diagram to make things simpler

Q: If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the…

A: If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the…

Q: Assume that in a group of 12 individuals, seven prefer football and five prefer cricket. A random…

A: Given : n = individuals = 12 football = 7 cricket = 5 a) Exactly two prefer football : =C27×C15C312…

Q: About 10% of the population of a large country is hopelessly romantic. a) If two people are…

A: According to the provided data, the probability of any individual being hopelessly romantic is 10%,…

Q: and 3 are users of other drugs?(b) What is the probability that of 10 workers testing positive, all…

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Q: At Joe Cool University, 38% of all students have a pet dog, 51% have a pet cat, and 24% have both…

A: Let D=all students have a pet dogC=all students have a pet catP(D)=0.38P(C)=0.51P(D∩C)=0.24

Q: A group of students is surveyed and 55% of the group is from Midland and 40% of the group like…

A: According to the provided data, the probabilities are;

Q: In a deck of 52 cards, what is the probability ot getting king and Jack in two consecutive draws?

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Q: B. 80% of people who have sports cars are men, if 10 sports car owners are randomly selected, find…

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Q: What is the probability of being accepted into a graduate program or receiving a job offer? That is,…

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Q: A survey is being conducted in a county where 63% of the voters are Democrats and 37% are…

A: Given: A survey is being conducted in a country where 63% of the voters are democrats and 37% are…

Q: We are told that 37%37% of students at a large university are minorities. If a student from this…

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Q: 3) Suppose the probability of Kevin attending a party is 80% and the probability of Judy attending a…

A: Given: P( A) = P( kevin attend party) = 0.80 P(B) = P( judy attend party) = 0.95 Events A and B are…

Q: About 14​% of the population of a large country is hopelessly romantic. If two people are…

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Q: Suppose that 15 lightbulbs are in a cabinet and that 4 are defective. If three bulbs are chosen at…

A: It is given that, 15 lightbulbs are in a cabinet and that 4 are defective.Then, 15 - 4 = 11…

Q: A sports commentator claims that 45% of all football injuries are knee injuries. If this claim is…

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Q: In a group of 20 students, 7 like ice tea and the others do not. Two students are randomly selected…

A: Given : Total students = 20 Number of students like ice tea = 7 number of students does not like ice…

Q: a) If you choose a person at random, what is the probability that the person is color-blind? b) If a…

A: E1: Men   P(E1) = 0.5 E2: Female  P(E2) = 0.5 A: Color Blind P(A|E1) = 0.05 P(A|E2) = 0.0025

Q: If a family has four children, is it more likely ... they will have two boys and two girls or three…

A: Let us denote X=the number of boys   n=number of trials=4 p=probability of success=1/2 =0.5   X…

Q: The grade 10 board of officers of a school consists of seven girls and 4 boys.a committee of five…

A: We can select 2 girls from 7 girls in 7C2=21 ways We can select (5-2)=3 boys from 4 boys in 4C3=4…

Q: I. In 2020, 47% of Americans travelled for Thanksgiving. Suppose 8 random Americans are surveyed. a)…

A: If we have n trials each having two outcomes, say Success and Failure, trials being independent and…

Q: In a random survey of students concerning student activities, 32 engineering majors, 26 business…

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Q: About 35% of the population have a college degree. If three people are randomly selected, what is…

A: Given,  p = 35% = 0.35 q = 1 - p = 1 - 0.35 = 0.65 Sample size, n = 3 Let X be a random number which…

Q: In a particular class, 78% of the students have a smartphone, 38% have a smartphone and a tablet,…

A: GivenPercent of students have a smartphone = 78%percent of students have a smartphone and a tablet =…

Q: At a certain university, 5% of men are over six feet tall and 2% of women are over 6 feet tall.…

A: Given information: It was stated that 5% of men are over six feet tall. 2% of women are six feet…

Q: If the probabilities are 0.10, 0.14, 0.23, and 0.25, respectively, that a student buying a new…

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

Q: If 30% of all dogs in a city have brown hair. In a sample of 500 dogs, what is the probability that…

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Q: 3) If my Halloween candy bag contains 4 Reese's, 6 bags of Skittles, and 30 other pieces of candy,…

A: We have to find given probability.

Q: In a family of eight children, what is the probability that (a) the third child is a girl? (b) six…

A: It was stated that in a family there are eight children. Need to find the probability of the…

Q: In a certain community, 40% of the family have a pool in the backyard, 65% have kid(s) and 30% have…

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Q: the teachers’ room 60% are women; one in three women wears glasses and one in two men wears glasses:…

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Q: In a recent study, 35% of people surveyed indicated chocolate was their favorite flavor of ice…

A: Let X denote the number of those in the sample name chocolate. Then X follows a Binomial…

Q: If 35% of cows in a herd have Mad Cow disease, and a rancher randomly selects 7 cows, what is the…

A: Given data,Number of cows n=7p=35%=0.35P(X=4)=?

Q: 1) In New York State, 46% of all teenagers own a skateboard and 35% of all teenagers own a…

A: Teenagers own a skateboard = 46% = 0.46teenagers own roller and own a skateboard = 35%=0.35

Q: (a) What is the probability that a PC is in a bedroom? (b) What is the probability that it is not in…

A: here use given probability

Q: If you flip 10 fair coins, what is the probability that: (a) Exactly 5 of them are “heads”? (b) At…

A: