Chapter 3 Test Review: Probability

A random sample of 317 iPhones found that 19 had cracked screens. If you select one iPhone at random, what is the probability that it has a cracked screen?

• 0.06

• 0.12

• 0.15

• 0.18

A random sample of 317 iPhones found that 19 had cracked screens. If you select one iPhone at random, what is the probability that it does not have a cracked screen?

• 0.940

• 0.060

• 0.940

• 0.060

A special deck of 20 cards contains 12 black cards and 8 green cards. One of the cards has a bent corner. If you select one card at random, what is the probability of selecting a black card?

• 0.4

• 0.5

• 0.6

• 0.7

A special deck of 20 cards contains 12 black cards and 8 green cards. One of the cards has a bent corner. If you select one card at random, find the probability of selecting the card with a bent corner.

• 1/20

• 1/12

• 1/8

• 1/10

If you roll a single fair die and count the number of dots on the top, find the following probabilities. P(less than 5)

• 1/6

• 1/3

• 2/3

• 5/6

If you roll a single fair die and count the number of dots on the top, find the following probabilities. P(even)

• 1/6

• 1/3

• 1/2

• 2/3

If you roll a single fair die and count the number of dots on the top, find the following probabilities. P(5 or a 6)

• 1/6

• 1/3

• 1/2

• 2/3

You roll two fair dice. One is blue and one is yellow. What is the probability of getting an even number on the blue die and a 3 on the yellow die?

• 1/12

• 1/6

• 1/3

• 1/18

You roll two fair dice. One is blue and one is yellow. Find the following probabilities. P(3 on the blue and a 5 on the yellow)

• 1/36

• 1/18

• 1/12

• 1/6

You roll two fair dice. One is blue and one is yellow. Find the probability of getting an even number on the blue die and a 4 or 5 on the yellow die.

• 1/12

• 1/6

• 1/4

• 1/3