he table shows the results of a survey of the 120 people that attended the school play.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The table shows the results of a survey of the 120 people that attended the school play. They were asked two questions: did you have a friend/relative in the play? And did you purchase something from the snack bar during the intermission?

What is the probability of selecting a person from the crowd that purchased a snack?

What is the probability that a person that purchased a snack has a friend/relative in the play?

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