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Classify the following as discrete or continuous random variables.

(A) The time it takes to run a marathon
(B) The number of fractions between 1 and 2
(C) A pair of dice is rolled, and the sum to appear on the dice is recorded
(D) The length of a broad jump


I got:
(A) Continuous
(B) Discrete
(C) Continuous
(D) Discrete
Is this correct?

  • Stats -

    A. Right
    B. The fractions can get smaller and smaller.
    C. Can you get 5 1/2 on the dice?
    D. Can it be expressed in feet, inches and fractions of inches?

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