A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of a number of successes, find the probability distribution of the number of successes. Also, find the mean and variance of a number of successes. [CBSE 2008]

Given : A die is tossed twice and ‘Getting a number greater than 4 ’ is considered a success.


To find : probability distribution of the number of successes and mean (

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