Question

A computer randomly picks a number from the group 20, 21, 22, 23, 24, 25, 26, 27. What is the probability the number is greater than 24 or less than 21? Enter your answer, as a decimal, in the box.

Answer 1

8 numbers
3 numbers greater than 24
1 number less than 21
3+1=4 
4/8=1/2
.5

Answer 2

The question's answer is: 0.5