2.7 Discrete or continuous 2 Repeat the previous exercise for the following:

a. The total playing time of a CD

b. The number of courses for which a student has received credit

c. The amount of money in your pocket (Hint: You could regard a number such as $12.75 as 1275 in terms of “the number of cents.”)

d. The distance between where you live and your statistics classroom, when you measure it precisely with values such as 0.5 miles, 2.4 miles, 5.38 miles.