To win a prize, a person must select 5 numbers from 9 numbers without replacement. Find the probability of winning if a person buys one ticket. (Note: The numbers can be selected in any order.) Round to four decimal places, if necessary.
A) 0.0119
B) 0.5556
C) 0.0222
D) 0.0079

Question

Quizplus · Accepted Answer

The total number of ways to choose 5 numbers from 9 is given by the combination formula C(9,5) = 126. Since there is only one winning combination, the probability is 1/126, which is approximately 0.0079.

To Win a Prize, a Person Must Select 5 Numbers