P(at least one head in 3 fair flips) =
- Acheck_circle
7/8
- B
5/8
- C
1/8
- D
3/8
Explanation
1 − P(no heads) = 1 − (1/2)³ = 7/8.
Introduction to Probability
AP Statistics· difficulty 4/5
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AP Statistics· difficulty 4/5
P(at least one head in 3 fair flips) =
7/8
5/8
1/8
3/8
Explanation
1 − P(no heads) = 1 − (1/2)³ = 7/8.
Want 10 more like this — adaptive to your weak spots?