Probability Retest

• A

• B

• C

• D

• A

• B

• C

• D

What is the P( not purple) on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5

Mrs. Trevino has 3 red pens, 5 pink pens, and 8 blue pens. What is the probability that she will choose a blue pen to grade papers?

• 1/2

• 8

• 3/16

• 16/8

Based on the survey of 20 students, what is the probability that a student plays an instrument?

• 55%

• 50%

• 45%

• 40%

If you toss a coin 10 times and get tails each time, which of the following is true?

• The probability of getting a tail on the next toss is greater than the probability of getting a head.

A fair spinner with sections 1 through 5 is spun 50 times. The results are shown in the table. Which section has an experimental probability that is the same as the theoretical probability?

• Section 1

• Section 2

• Section 3

• Section 4

• Section 5

A bag has 15 pink pens and 12 purple pens. If you select one pen from the bag, what is the probability you will select a purple pen?

Probability ranges from 0 (impossible) to 1 (certain).

• true

• false

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4