Probability Review

Use the Fundamental Counting Principle to determine the total number of outcomes.

• 21

• 108

• 12

• 9

The spinner is spun once.  Find the probability as a fraction in simplest form.

P(multiple of 3)

• 5

• 3/16

• 5/16

• 16

The spinner is spun once.  Find the probability as a fraction in simplest form.

P(Greater than 12)

• 1/4

• 4

• 5/16

• 16

The spinner is spun once.  Find the probability as a fraction in simplest form.

P(odd and at most 9)

• 9/16

• 5/16

• 1/2

• 9/32

Out of 60 students, 15 are taking Calculus and 27 are taking Physics. Eight of the students are taking both Calculus and Physics.

What number should go in the shaded area?

• 60

• 15

• 27

• 8

Out of 60 students, 15 are taking Calculus and 27 are taking Physics. Eight of the students are taking both Calculus and Physics.

What number should go in the shaded area?

• 60

• 19

• 27

• 8

Out of 60 students, 15 are taking Calculus and 27 are taking Physics. Eight of the students are taking both Calculus and Physics.

What number should go in the shaded area?

• 60

• 23

• 15

• 7

Out of 60 students, 15 are taking Calculus and 27 are taking Physics. Eight of the students are taking both Calculus and Physics. If a student of this group is chosen at random, find each probability.

 P(takes Calculus or Physics)

• 7/19

• 13/30

• 17/25

• 2/15

Out of 60 students, 15 are taking Calculus and 27 are taking Physics. Eight of the students are taking both Calculus and Physics. If a student of this group is chosen at random, find each probability.

P(takes Calculus but not Physics)

• 7/19

• 7/60

• 17/30

• 2/15

If the spinner is spun twice, find each probability.

P(odd, then less than 5)