Question

The expected value of X, if X denotes the number
obtained on the uppermost face when a fair die
is thrown, is :
(A) 2.5
(B) 2.57
(C) 3.5
(D) 3.57​

Answer 1

Step-by-step explanation:

Acceleration is the name we give to any process where the velocity changes. Since velocity is a speed and a direction, there are only two ways for you to accelerate: change your speed or change your direction—or change both. ... Any of these would be considered an acceleration since they change velocity.