Question

Calculate the expected value and variance of X, if X denotes the number obtained on the uppermost face when a fair die is thrown.

Answer 1

A die has six faces numbered from 1 to 6 . As the total possible outcome is six and at a time one no can be on the surface . So, the probability of getting a particular number in a throw is 1/6

Answer 2

hi mate

here's your answer

Since a die has six different faces the probability of getting a number is 1/6

hope this helps you

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