Question

Below, the two-way table is given for a class ofstudents.FreshmenSophomoreJuniorsSeniors TotalMale4622Female 3463TotalIf a student is selected at random, find theprobability the studer is a male given that it's asenior.

Answer 1

SOLUTION

Notice that the total number of seniors is 5.

The number of males that are seniors is 2.

Therefore the probability that a student is a male given that its a senior is

$\frac{2}{5}$

Therefore the required answer is:

$\frac{2}{5}$

The answer as a percentage is:

$40\%$