Probability of event A AND event B.
spinner
expected value
final jeopardy
100

In a certain Algebra 2 class of 27 students, 15 of them play basketball and 14 of them play baseball. There are 9 students who play both sports. What is the probability that a student chosen randomly from the class plays basketball or baseball?

20/27

100

If the spinner is spun 900 more times, about how many times would you expect to land on red? Round your answer to the nearest whole number.

187

100

Brody volunteers on the weekend at the Central Library. As a school project, he decides to record how many people visit the library, and where they go. On Saturday, 431 people went to The Youth Wing, 374 people went to Social Issues, and 451 went to Fiction and Literature.

On Sunday, the library had 300 total visitors. Based on what Brody had recorded on Saturday, about how many people should be expected to go to The Youth Wing? Round your answer to the nearest whole number.

103

100

 There are 20 coins in a bag. 5 quarters, 10 dimes, and 5 pennies. If you pull a coin at random, what is its expected value?

9.4

200

In a certain Algebra 2 class of 27 students, 8 of them play basketball and 22 of them play baseball. There are 2 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?

5/27

200

If the spinner is spun 500 more times, about how many times would you expect to land on blue? Round your answer to the nearest whole number.

132
200

Xavier has a bag that contains pineapple chews, lemon chews, and lime chews. He performs an experiment. Xavier randomly removes a chew from the bag, records the result, and returns the chew to the bag. Xavier performs the experiment 64 times. The results are shown below:

  • A pineapple chew was selected 34 times.
  • A lemon chew was selected 11 times.
  • A lime chew was selected 19 times.

If the experiment is repeated 100 more times, about how many times would you expect Xavier to remove a lime chew from the bag? Round your answer to the nearest whole number.

30

300

In a certain Algebra 2 class of 30 students, 9 of them play basketball and 6 of them play baseball. There are 4 students who play both sports. What is the probability that a student chosen randomly from the class plays basketball or baseball?

11/30

300

If the spinner is spun 1300 more times, about how many times would you expect to land on red? Round your answer to the nearest whole number.

111

300

amuel volunteers on the weekend at the Central Library. As a school project, he decides to record how many people visit the library, and where they go. On Saturday, 318 people went to The Youth Wing, 369 people went to Social Issues, and 308 went to Fiction and Literature.

On Sunday, the library had 400 total visitors. Based on what Samuel had recorded on Saturday, about how many people should be expected to go to Fiction and Literature? Round your answer to the nearest whole number.

318 The Youth Wing, 369 Social Issues, and 308 Fiction and Literature.

124

400

In a certain Algebra 2 class of 30 students, 9 of them play basketball and 6 of them play baseball. There are 4 students who play both sports. What is the probability that a student chosen randomly from the class plays basketball or baseball?

13/23

400

If the spinner is spun 900 more times, about how many times would you expect to land on green? Round your answer to the nearest whole number.

147

400

Ashley volunteers on the weekend at the Central Library. As a school project, she decides to record how many people visit the library, and where they go. On Saturday, 418 people went to The Youth Wing, 418 people went to Social Issues, and 302 went to Fiction and Literature.

On Sunday, the library had 300 total visitors. Based on what Ashley had recorded on Saturday, about how many people should be expected to go to The Youth Wing? Round your answer to the nearest whole number.

418 The Youth Wing, 418 Social Issues, and 302 Fiction and Literature.

110

500

In a certain Algebra 2 class of 25 students, 10 of them play basketball and 16 of them play baseball. There are 3 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?

4/25 or 0.16

500

If the spinner is spun 600 more times, about how many times would you expect to land on purple? Round your answer to the nearest whole number.

66

500

Paisley owns a small business selling used books. She knows that in the last week 93 customers paid cash, 7 customers used a debit card, and 22 customers used a credit card.

If next week, she is expecting 300 customers, about how many would you expect to pay with a credit card? Round your answer to the nearest whole number.

93 cash, 7 debit card, and 22 credit card.

54