# Consider a two-way table that summarizes age and ice cream preference. Of the children, 7 prefer vanilla, 12 prefer chocolate, and 3 prefer butter pecan. Of the adults, 10 prefer vanilla, 31 prefer chocolate, and 8 prefer butter pecan. What is the joint probability that a randomly selected person is a child who prefers chocolate?

##### 1 Answer

Jul 14, 2015

The probability that a randomly selected person is a child who prefers chocolate is

#### Explanation:

There are a total of 71 people; each of whom has an equal probability of being selected.

Of these 71 people, 12 are children who prefer chocolate.