Question

The probability distribution of a random variable is as follows:. X : 1. 2. 4. 6. 8. P : k. 2k. 3k. 3k. k. The variance of X is

Ans is 4.41

please explain step by step​

Answer 1

Answer:

The law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur