A survey found that 31% of all teens buy soda (pop) at least once each week. Seven teens are randomly selected.

A survey found that 31% of all teens buy soda (pop) at least once each week. Seven teens are randomly selected. The random variable represents the number of teens who buy soda (pop) at least once each week. What is the value of n?

0.07

x, the counter

7

0.31