Which of the following is a discrete random variable?
A. The Dow Jones Industrial average.
B. The volume of water in Michigan Lakes.
C. The time it takes you to drive to school.
D. The number of employees of a soft drink company.
Analysis:
A. Incorrect. The number of employees of a soft drink company is a discrete random variable.
B. Incorrect. The number of employees of a soft drink company is a discrete random variable.
C. Incorrect. The number of employees of a soft drink company is a discrete random variable.
D. Correct. The number of employees of a soft drink company is a discrete random variable.
ANSWER : D
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