Predicting Probabilities

On this spinner, what is P(not C)?

• ¹/₈

• ³/₄

• ¹/₄

• ⁷/₈

On this spinner, what is P(A or B)?

• ¹/₄

• ³/₄

• ³/₈

• ⁵/₈

You are going to spin a spinner 3 times (that has the spaces A, B, C, D). What is the probability of spinning B on all 3 times? (Set up of work)

• 1/4 x 1/4 x 1/4

• 1/4 x 3

• 4 x 4 x 4

• 3/4 x 3/4 x 3/4

You are going to spin a spinner 3 times (with spaces A, B, C, D). What is the probability of spinning a B all 3 times?

• 1/4

• 3/4

• 1/64

• 27/64

Find the probability of getting a 1 or 2 on a die and tails on a quarter. (Which is the correct work?)

• 1/6 x 1/6 x 1/2

• 2/6 x 1/2

• 1/6 x 1/2

• 2/6 x 2

Find the probability of getting a 1 or 2 on a die and tails on a quarter.

• 1/72

• 12

• 1/12

• 1/6

Mr. & Mrs. Mathy are having triplets. What is the probability that they will all be girls? (Which is the correct set up of work?)

• 1/3 x 1/3 x 1/3

• 1/2 x 3

• 1/2 x 1/2 x 1/2

• 1/8

Mr. & Mrs. Mathy are having triplets. What is the probability that they will all be girls?

• 3/2

• 1/27

• 1/3

• 1/8

A bucket contains 5 yellow and 7 red marbles. If 2 marbles are selected randomly without replacement, what is the probability that one will be yellow and the other will be red?

• 5/12 x 7/12

• 5/12 x 7/11

• 5/12 x 4/11

• 7/12 x 6/11

The letters from the word dependent are placed in a box. If two letters are drawn at random, what is the probability that they will both be consonants?

• 5/12

• 1/2

• 4/9

• 1/12