Question

A bag of marbles has 6 blue, 5 green, 4 yellow, and 3 black marbles in it. Find the probability for P(Not

Blue)
Select the correct response:

2
3

3
4

1
4

1
3

Answer 1

2/3

Explanation:

So the probability would be what you're finding divided by the total amount. For example, if you were finding P(blue) then it would be 6/18, which is 1/3.

Not blue would be Total - Blue, so:

(6 + 5 + 4 + 3) - 6

18 - 6

12

There are 12 that are not blue, so:

P(Not Blue) = NotBlue/Total

= 12/18

= 2/3