A child has a bag of marbles containing the following types and frequencies of marbles:
Blue - 3
Red- 7
Blue and Red Striped - 18
Black - 9
If the child reaches into the bag and pulls out a marble without looing, what are the odds that the marble will be black?
A) 0.90
B) 0.33
C) 1.00
D) 0.24

Question

Quizplus · Accepted Answer

The total number of marbles in the bag is 3+7+18+9=37. The probability of selecting a black marble is 9/37. Therefore, the answer is B) 0.33.

A Child Has a Bag of Marbles Containing the Following