Question 34
EasyOriginal questionA fair die is thrown 12 times. What is the expected number of sixes?
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
Each throw gives a six with probability .
Over 12 throws: .
Worth noting
6 is the largest face, not the number of sixes expected.
- Concept
- The expected value of a count
- Typical timeTypical
- 60 s
- Your timeYours
- —
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