Aclass of 195 students went on a field trip. they took 7 vehicles, some cars and some buses. find the
number of cars and the number of buses they took if each car holds 5 students and each bus hold 45
students.

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%