Question

A bag contains 8 red marbles, 3 blue marbles, and 1 green marble. Find P(not blue).

9

1

a.

9

C.

4

b.

4

d. 3

Alw

3

Answer 1

3/4

Explanation:

There are 3 blue marbles

Total number of marbles = 8 + 3 + 1 = 12

P(blue) = 3/12 = 1/4

P(not blue) = 1- P(blue) since blue and not blue are complement events

P(not blue) = 1 - 1/4 = 3/4