Which of the following represents a difference between continuous and discrete random variables?

A. Continuous random variables assume an uncountable number of values, and discrete random variables do not.
B. The probability for any individual value of a continuous random variable is zero, but for discrete random variables it is not.
C. Probability for continuous random variables means finding the area under a curve, while for discrete random variables it means summing individual probabilities.
D. All of these choices are true.


Analysis:
A. Incorrect. All of these choices are true.
B. Incorrect. All of these choices are true.
C. Incorrect. All of these choices are true.
D. Correct. All of these choices are true.
ANSWER : D

Business

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A. This year's revenue is recorded next year. B. Next year's revenue is recorded this year. C. Revenue is not recognized for services that have been performed. D. Goods are shipped, but revenue is not recorded.

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Optimization is a statistical process for estimating the relationships among variables.

Answer the following statement true (T) or false (F)

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