If a fair coin is tossed 3 times, what is the probability of getting at least two heads?

By: |Published on: Jan 6|Categories: Mathematics WAEC| 0 comments

A. 2/3
B. 4/5
C. 2/5
D. 1/2

Correct Answer: Option D

D. 1/2

Explanation

The outcomes are {HHH, HHT, HTT, HTH, THH, THT, TTH, TTT}

P(at least two heads) = 4/8
= 1/2

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