Question

A bag contains 10 marbles. Four ofthem are red, three blue, two white,and one yellow. A marble is drawn at random. What is the probability that it is blue?

Answer 1

Answer: The answer is 2/5

Answer 2

0.3 = 30% probability that it is blue.

Explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question:

10 marbles, 3 of which are blue.

So

p = 3/10 = 0.3

0.3 = 30% probability that it is blue.