Question

 A 20-sided die is rolled.

A) Find the probability that the die shows a number greater than 15.

B) Find the probability that the die shows an even number.

C) Find the probability that the die shows a number that is not 5, 6, 7, or 8.

D) Find the probability that the die shows a number that is Prime.

Answer 1

A) .25 or 25% or 1/4

B) .50 or 50% or 1/2

C) .55 or 55% or 11/20

D) .4 or 40% or 2/5