Determine whether the value is a discrete random variable, continuous random variable, or no
a. The distance a baseball travels in the air after being hit
b. The square footage of a house
c. The response to the survey question "Did you smoke in the last week?"
d. The number of statistics students now reading a book
e. The number of people in a restaurant that has a capacity of 150
f. The exact time it takes to evaluate 27 + 72