The graph of a quadratic function is shown below. Use the graph to determine the solution set of the related quadratic equation.

{-2}
{-2, 5}
{5}
No Solution

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%