Probability Summative

Assume that it is equally likely for a child to be born a boy or a girl and that Lin family is planning to have 3 children. Compute the probability that the Lins will have no girls.

• 1/8

• 1/4

• 1/2

• 3/4

A 12-sided die is tossed once. Find each of the probability that the number of the upward face is 12.

• 1/12

• 1/6

• 1/8

• 1/10

Two regular 6-sided dice are tossed. Compute the probability that the sum of the 2 dice is 6.

• 1/6

• 5/36

• 1/12

• 1/9

Use the table to compute the probability of the event: The respondent has a Ph.D. or professional degree.

If asked to randomly choose an integer between 1 and 10, what is the probability that the number will be more than 6 or odd?

• 0.5

• 0.6

• 0.7

• 0.8

A single card is drawn from a standard deck. Find the probability of drawing an 8 or a spade.

• 1/2

• 4/13

• 5/13

• 17/52

Suppose the probability that it will rain tomorrow is 0.38. What is the probability that it will not rain tomorrow?

• 0.62

• 0.38

• 0.50

• 0.72

Two dice are tossed. What is the probability of not tossing a 7?

• 1/6

• 5/6

• 1/2

• 1/3

A single card is drawn from a deck. What is the probability of not drawing an ace?

• 1/13

• 1/4

• 12/13

• 3/4

Two cards are drawn from a standard deck without replacement. Find the probability that both cards are hearts.

• 3/52

• 1/16

• 1/17

• 13/52