Probability Addition Rule and Conditional

Find P( Full-time | Male)

• 7/3

• 3/10

• 3/7

• 4/7

The probability of a New York teenager owning a skateboard is 0.37, of owning a bicycle is 0.81 and of owning both is 0.36. If a New York teenager is chosen at random, what is the probability that the teenager owns a skateboard or a bicycle?

• 18

• 0.7

• 0.82

• None of the above

If P(A) = 0.24, P(B) = 0.41, and P(A and B) = 0.18, what is P(A or B)?

• 0.17

• 0.47

• 0.59

• 0.65

Find P( Female | Part-time) =

• 15/31

• 43/71

• 31/43

• 15/43

• 1
• 2
• 3
• 4

Given the following VENN Diagram answer the following.

P( B | A )

• 2

• .4

• .6

• .8

Which of the following shows how to determine P(shaded number or number less than five)?

• 4/8 + 4/8 - 2/8

• 4/9 + 2/8 - 4/8

• 4/8 + 6/8 + 2/8

• 2/8 + 4/8 - 4/8

The enrollment at Southburg High School is 1400.  Suppose 550 students take French, 700 take algebra, and 400 take both French and algebra.  What is the probability that a student selected randomly takes French or algebra?

• 1250/1400

• 700/1400

• 550/1400

• 17/28

Given the following VENN Diagram answer the following.
P( A U B )

• 2

• .4

• .6

• .8

Sandal U Pants:

• 7/10

• 1/6

• 1/9

• 5/6