Questions from Statistics

Q: The sample space shows all possible sequences of child gender for a

The sample space shows all possible sequences of child gender for a family with 3 children. The table is organized by the number of girls in the family a. How many outcomes are in the sample space? b...

Q: What is the probability that a baby will be born on a

What is the probability that a baby will be born on a Friday OR a Saturday OR a Sunday if all the days of the week are equally likely as birthdays?

Q: If one card is selected from a well-shuffled deck of

If one card is selected from a well-shuffled deck of 52 cards, what is the probability that the card will be a club OR a diamond OR a heart? What is the probability of the complement of this event? (R...

Q: The Gallup poll asked respondents if they had taken a vacation in

The Gallup poll asked respondents if they had taken a vacation in the last year. The respondents were separated into two groups: those who had graduated from college and those who had not. Numbers in...

Q: The Pew Research Center asked a sample of adults if they had

The Pew Research Center asked a sample of adults if they had read a book in any format in the previous 12 months. The results are shown in the table. (Source: Pewinternet.org) a. If a person is rando...

Q: A Gallup poll asked a sample of voters if marijuana should be

A Gallup poll asked a sample of voters if marijuana should be legalized. Voters’ responses and political party affiliation are in the table. (Source: Gallup.com) a. If a person is r...

Q: Use the data in exercise 5.21 to answer the following

Use the data in exercise 5.21 to answer the following: a. If a person is chosen randomly from this group, what is the probability that the person is an Independent and said “Yes”? b. If a person is ch...

Q: A Pew Research poll asked respondents to fill in the blank to

A Pew Research poll asked respondents to fill in the blank to this question: Compared to other industries there is _____ discrimination against women in the tech industry. Responses separa...

Q: Use the data in exercise 5.23 to answer the following

Use the data in exercise 5.23 to answer the following: a. What is the probability that a randomly selected person is a woman and said “more.” b. What is the probability that a randomly selected person...

Q: Suppose a person is selected at random from a large population.

Suppose a person is selected at random from a large population. a. Label each pair of events as mutually exclusive or not mutually exclusive. i. The person has traveled to Mexico; the person has trave...