Question 4
EasyOriginal questionWhich of these is a continuous random variable?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
A continuous random variable can take any value in an interval; a discrete one takes separate, countable values.
A height can be 162.4 cm or 162.43 cm or anything between; the others are counts.
Worth noting
The number of cars has no fixed upper limit, but it is still counted in whole numbers: discrete.
- Concept
- Discrete and continuous random variables
- Typical timeTypical
- 60 s
- Your timeYours
- —
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Ten questions from Random Variables, Expectation & Variance, at your own pace.