Question 3
EasyOriginal questionRead the two statements and choose the correct option.
I. A random variable assigns a real number to each outcome of a random experiment.
II. The number of telephone calls a shop gets in an hour is a continuous random variable.
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
I is the definition of a random variable. True.
II: calls are counted, 0, 1, 2, …, so the variable is discrete. False.
- Concept
- What a random variable is
- Typical timeTypical
- 60 s
- Your timeYours
- —
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