A six-face fair dice is rolled a large number of times.

Home » Engineering Mathematics » Engineering Mathematics Miscellaneous » Question

A six-face fair dice is rolled a large number of times. The mean value of the outcomes is ___.

1. 3.9
2. 3.6
3. 3.5
4. 3.4

Correct Option: C

We know that
μ = ∑x.p(x)
= (1 + 2 + 3 + 4 + 5 + 6) × 1/6 = 1
21 × 1/6 = 3.5