If a fair coin is tossed twice, what is the probability of obtaining at least...
MATHEMATICS
JAMB 2022
If a fair coin is tossed twice, what is the probability of obtaining at least one head?
- A. 0.25
- B. 0.75
- C. 0.5
- D. 0.33
Correct Answer: B. 0.75
Explanation
Total outcome: HT, TH, HH and TT = 4
Count where H appear = 3
Therefore: 3/4 = 0.75
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