Suppose 30% of the women in a class received an A on the test and 25%of the men received an A. The class is 60% women. Given that a person chosen at random received an A, what is the probability this person is a women?

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

A: Given that, According to a poll,probability of favouring to new building project is 0.25   i.e.. P =…

Q: In Mr. M's chemistry class the probability that a randomly selected student earned an a on the…

A: From the Given Data: n( Got an A and did not attend tutorial)=12-16=4   Attended Tutorial Did not…

Q: The probability that an individual has 20-20 vision is 0.14. In a class of 77 students, what is the…

A:

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: Suppose that the probability that a child living in an urban area in the United States is obese is…

A: From the given information p = 0.20 and n = 15.

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: In a recent study, 29% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A:

Q: Suppose that 35% of people have a dog, 21% of people have a cat, and 16% of people own both. someone…

A: Given that,35% of people have a dog21% of people have a cat16% of people own both

Q: A group of people were asked if they had run a red light in the last year. 203 responded "yes", and…

A: The number of people, who responded to have run a red light, i.e., the number of responses in terms…

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: 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: A test was given to a group of students. The grades and gender are summarized below A B C Total Male…

A:

Q: Suppose that 70% of a town’s population have brown eyes, 40% have black hair, and 30% have both…

A: We have given  that population have brown eyes = 70% =0.70 population have black hair = 40% = 0.40…

Q: A poll is given, showing 55% are in favor of a new building project. If 8 people are chosen at…

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

Q: A poll is given, showing 75% are in favor of a new building project. If 9 people are chosen at…

A: Given information- We have given a problem of the binomial distribution. We have given that a poll…

Q: About IO percent of the population is left-handed. Ofthose who are right-handed, about 40 percent…

A: Multiplication Rule:Multiplication rule for two dependent events A, and B is given by:

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

A:

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

A: Given: Number of respondents answered none = 208 Number of respondents answered one = 295 Number of…

Q: A poll is given, showing 60% are in favor of a new building project. If 10 people are chosen at…

A:

Q: If 2 of 20 tires are defective and 6 them are randomly chosen for inspection. What is the…

A: GivenTotal no.of tires(N)=20No.of tires are chosen(n)=6No.of tires are…

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: Suppose that the probability that a child living in an urban area in the United States is obese is…

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

A: From the given information ,Total respondents = 201 + 296 + 376 + 138 + 117 .…

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

A:

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: 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: In a group of 10 people chosen randomly, what is the probability that three of the ten people have a…

A: Given: Number of trials (n) = 10 Probability of success (p) = 11000000=0.000001 Let X be the number…

Q: A committee of 4 people is to be randomly selected from a group of 9 people, including Pedro.  The…

A: It is given that, There is a group of 9 people including Pedro.  We have to form a committee of 4…

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

A: The data related to cell phone users is given.

Q: The probability that the prisoner is under 30 and is taking either a high school class or a college…

A: Number of prisoners under 30 who are in high school =50  n(under 30 and high school)=50 And number…

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

A: Obtain the probability that his/her household has four or more cell phones in use. The probability…

Q: A poll is given, showing 20% are in favor of a new building project. If 9 people are chosen at…

A:

Q: Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students…

A: P(high school students of eating pizza), P(A) = 0.333 P(high school students of drink soda), P(B) =…

Q: Suppose a math class contains 27 students, 14 females (six of whom speak French) and 13 males (three…

A: Solution: From the given information, a class contains 14 females. Out of which 6 speck French.…

Q: Suppose that we know 10 % of people do not like pizza. If you pick two people at random, what is the…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.