Q25 of 62 Page 1337

A die is thrown 100 times. Getting an even number is considered a success. Find the mean and variance of success.

Probability of getting an even number is = 3/6 = 1/2


Probability of getting an odd number is = 3/6 = 1/2


Variance = npq


⇒ 100


⇒ 25


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