4.84 Discrete or Continuous II Identify the follow- ing as discrete or continuous random variables:

a. Increase in length of life attained by a cancer patient as a result of surgery

b. Tensile breaking strength (in kilograms per square centimetre) of 2.5-centimetre-diameter steel cable

c. Number of deer killed per year in a state wildlife preserve

d. Number of overdue accounts in a department store at a particular time

e. Your blood pressure