The probability of getting at least one head when two fair coins are tossed is:

Question

The probability of getting at least one head when two fair coins are tossed is:

Option A

$\frac14$

Option B

$\frac12$

Option C — Correct answer

$\frac34$

Correct choice.

Option D

$1$

Explanation

Use complement: $1-P(\text{no head})=1-\frac14=\frac34$.

Chapter Mock 12: Permutation, Combination and Probability