Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Probability Distributions

Question:

The mean of the number of heads in the two tosses of a coin is

Options:

1

2

4

5

Correct Answer:

1

Explanation:

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