At a certain high school, calculus is a very popular subject. The class consists of 60% seniors, 30% juniors, and the rest sophomores. If 20% of seniors, 90% of juniors, and 10% of sophomores are receiving As in the course, what is the probability a randomly selected student will not receive an A? What is the probability the student will not receive an A given she is a junior? What is the probability a randomly selected student is a sophomore receiving an A?

Q: a social gathering, there are 21 men, 25 women, 10 boys and 12 girls. If you randomly choose

A: Probability = Number of favourable outcome/ Total number of outcomes

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: 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…

A:

Q: A committee of two people needs to be chosen. There are two men and six women available to serve on…

A:

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: According to a recent survey approximately 68% of students at this campus are women. A group of 20…

A: Solution: Let X be the number of students are women and n be the sample of students. From the given…

Q: A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what…

A: From the provided information, A couple has three children that is n = 3 Probability of being a girl…

Q: the school are female. Of ride. Of the males, 54% Brentwood student at udents gets a ride to

A: E1: Male   P(E1) = 0.48 E2: Female  P(E2) = 0.52 A: Walk to School P(A|E1) = 0.54 P(A|E2) = 0.4

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: In one town, 52% of all voters are Republicans. If two voters are randomly selected for a survey,…

A:

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: Your favorite board game used a spinner with three equally possible outcomes: red, yellow, or blue.…

A: There are three colors which are equally possible. So, the probability of getting red = 13the…

Q: At a car manufacturing plant, 10% of cars have some sort of defect when they come off the line. If…

A:

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: In a small town there are three competing lawn service companies, A, B, and C. Each has a certain…

A: Given, In a small town there are three competing lawn service companies, A, B, and C. Each has a…

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: 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 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: On a grocery store shelf, there are 6 cans of corn and 9 cans of peas. If one can is selected at…

A: Given information:corn cans = 6Peas cans = 9 Total cans = 6 + 9= 15

Q: A class of 20 juniors, 30 seniors, and 10 graduate students makes up an advanced physics class.…

A:

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

A:

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

A:

Q: In a classroom survey, 18 out of 30 students reported that they have a car. What is the probability…

A:

Q: In Bayside County, 45% of voters are registered Democrats. If three voters are selected at random,…

A: Given, P = 0.45 n = 3 x = 3 Here we use binomial distribution

Q: A survey reports that 53% of college students use Google as their search engine. If 100 students of…

A: Given that n=100 p= 0.53 q= n-p=0.47 μx= n*p= 53 Standard deviation= σ= sqrt(n*p*q)=4.991   Add…

Q: A four-person committee is randomly selected from a pool of 19 Americans and 131 Canadians. What is…

A: Given: Number of Americans =19 Number of Canadians =131

Q: In a certain community, 36 percent of families own a dog, and 30 percent of families own a cat. What…

A: A = families own a dog B= families own a cat  P(A)=36%=0.36 P(B)=30%=0.30

Q: find the probability that only three have traveled to Italy.

A: Let p be the probability that a tourist have traveled to Italy. Given that p = 0.55 Let X denotes…

Q: Neil has a collection of 8 dice, 5 of which have four sides. If Neil randomly rolls 4 dice, what is…

A:

Q: class consists of 50 women and 21 men. If a student is randomly selected, what is the probability…

A: According to the given information in this question, we need to find the following probability

Q: A four-person committee is randomly selected from a pool of 19 Americans and 13 Canadians. What is…

A: No.of Americans = 19  No.of Canadians  = 13 Total no.of persons = 32 (i.e. 13+19) Consider that…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.