classify the following as discrete or continuous random variables:

a) the time it takes to run a marathon- i think that it is discrete

b) the number of fractions between one and two- i think that it is discrete?

c) a pair of dice is rolled and the sum to appear on the dice is recorded- i think that it is discrete

d) the length of a broad jump- i think that it is continuous.

*am i correct and if not what would i need to change? please clarify with specifics. thank you.
mary hornbeck

Answers

Answered by PsyDAG
a) If length is continuous, wouldn't time also be continuous?

b) The fractions can get smaller and smaller (e.g., 1 and 1*10^-9)

Otherwise, I think you are correct.

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