A pair of dice is thrown 4 times. If getting a doublet is considered as a success,find the probability of two successes

A pair of dice is thrown 4 times. If getting a doublet is considered as a success.Find the probability of getting a doublet.

A pair of dice is thrown 4 times. If getting a doublet is considered as a success. Hence find the probability of getting two success.

A die is thrown 6 times. If getting an odd number is a success, what is the probability of getting 5 successes ?

A die is thrown 6 times. If getting an odd number is a success, what is the probability of getting At most 5 successes ?

A die is thrown 6 times. If getting an odd number is a success, what is the probability of getting At least 5 successes ?

In a simultaneous toss of two coins,find the probability of getting: 2 heads.

Three coins are tossed once. Find the probability of getting atleast two heads.

A die is tossed thrice. Getting an even number is considered as successes. What is the mean and variance of the binomial distribution?