Question

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?

Answer 1

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?