Question

A box of marbles contains 20 red marbles, 15 blue marbles, 13 orange marbles, and 12 white marbles. What is the probability that if a marble is selected at random, the marble will be blue?

a 0.25
b 0.33
c 0.20
d 0.15

Answer 1

A, add them all together then divide by how many blue ones 15/60

Answer 2

a

Explanation:

becuase 15/60 = 0.25