The mean of the number of heads in the two tosses of a coin is |
1 2 4 5 |
1 |
The correct answer is Option (1) → 1 ** Let X be the number of heads in two tosses of a fair coin. Possible values of X: 0, 1, 2 Mean of X = Expected value: $E(X) = 2 \times \frac{1}{2} = 1$ The mean = 1 |