# Math

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Webster Aquatic Center offers various levels of swimming lessons year-round. The March 2005 Monday and Wednesday evening lessons included instructions from Water Babies through Adults. The number in each classification is given in the table that follows.

Swim Lesson Types

No. of Participants

Water Babies

4

Tiny Tots

16

3

Level 2

5

Level 3

16

Level 4

5

Level 5

7

Level 6

1

17

Total

74

(a) If one participant is selected at random, find the probability that the participant is in Tiny Tots. (Give your answer correct to two decimal places.)

(b) If one participant is selected at random, find the probability that the participant is in the Adults lesson. (Give your answer correct to two decimal places.)

(c) If one participant is selected at random, find the probability that the participant is in a Level 2 to Level 6 lesson. (Give your answer correct to two decimal places.)

• Math -

a. 16/74 = ?

b. 17/74 = ?

c. (5+16+5+7+1)/74 = ?

• Math -

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