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In a survey at a California ski resort, 100 skiers and snowboarders of different

ID: 3134260 • Letter: I

Question

In a survey at a California ski resort, 100 skiers and snowboarders of different age groups were surveyed. The information is shown in the table.

Suppose one person is randomly selected. Find the probability that the person was a skier or was age 11 - 20.

a. 8/100 b. 77/100 c. 89/100 d. 12/100 e. 60/100

Suppose one person is randomly selected. Find the probability that the person was a snowboarder given that thier age was 21 - 40.

a. 30/42 b. 12/30 c. 12/42 d. 12/100 e. 42/100

Suppose one person is randomly selected. Find the probability that the person was a skier and was age 11 - 20.

a. 12/100 b. 77/100 c. 8/100 d. 60/100 e. 89/100

Suppose one person is randomly selected. Find the probability that the person was a skier.

a. 12/100 b. 8/100 c. 89/100 d. 77/100 e. 60/100

Sport/Age Range 0-10...11-20....21-40....40+ Skier 10 ... 12 ....30..... 8 SnowBoarder 6 ... 17 ....12 ....5

Explanation / Answer

Suppose one person is randomly selected. Find the probability that the person was a skier or was age 11 - 20.

d. 12/100

Suppose one person is randomly selected. Find the probability that the person was a snowboarder given that thier age was 21 - 40.

c. 12/42

Suppose one person is randomly selected. Find the probability that the person was a skier and was age 11 - 20.

a. 12/100

Suppose one person is randomly selected. Find the probability that the person was a skier.

e.. 60/100

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