3 Type of Random Variable. Classify the following random variables according to whether they are discrete or continuous:

a. The number of words spelled correctly by a student on a spelling test

b. The amount of water flowing through the Hoover Dam in a day

c. The length of time an employee is late for work

d. The number of bacteria in a particular cubic centimeter of drinking water

e. The amount of carbon monoxide produced per gallon of unleaded gas

f. Your weight