Question

Below, the two-way table is given for aclass of students.FreshmenSophomoreJuniorsSeniorsTotalMale4622Female3463TotalIf a student is selected at random, find theprobability the student is a senior. Roundto the nearest whole percent.[?]%

Answer 1

ANSWER

17%

EXPLANATION

First we have to complete the table by adding the rows and columns:

There are 30 students in total, 5 of which are seniors.

The probability that a random selected student is a senior is the number of seniors divided by the total number of students:

$P(\text{senior})=\frac{5}{30}=\frac{1}{6}\approx0.17$

To transform this to a percent we just have to multiply by 100: 17%