Unit 4B Quiz Review

Find the theoretical probability of NOT landing on yellow if you spin the spinner.

• 1/8
• 7/8
• 1
• 7

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

A classroom has 28 students. 11 of these students are boys. If a student is randomly chosen, what's the probability that the student will be a girl? Round

• about 57%
• about 61%
• about 39%
• about 40%

What is the probability of spinning a yellow and flipping a heads?

• 1/2

• 1/6

• 1/12

What is the probability of picking an orange marble and spinning blue?

• 1/5

• 1/9

• 5/9

What is the probability of spinning a 2 on the spinner?

• 1/2

• 50%

• 1/8

• 12.5%

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/6

• 1/9

• 1/3

Ryan has 4 rap songs, 11 pop songs, 8 country songs, and 2 rock songs. What is the probability of Ryan picking a rock song or a pop song?

• 2/25
• 13/25
• 11/25
• 22/25

16 students have cell phones. 5 of them are Androids.

Of 48 students, how many would you expect to have Androids? Solve and write a proportion.

• 15

• 48

• 30

• 20

A coin is tossed 18 times. It lands on heads 12 times. What is the experimental probability of the coin landing on tails? reduce the fraction!

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