Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Probability Distributions

Question:

The mean of numbers obtained by throwing a die having 1 on three faces and 2 on two faces and 5 on one face is:

Options:

2

5

3

4

Correct Answer:

2

Explanation:

The correct answer is Option (1) → 2

$\text{Faces: } 1,1,1,2,2,5$

$\text{Mean} = \frac{1+1+1+2+2+5}{6}$

$= \frac{12}{6} = 2$

The mean is $2$.