If tow dice are rolled 12 times, obtain the mean and the variance of the distribution of success, if getting a total greater than 4 is considered a success.

If two dice are rolled 12 times, obtain the mean and varianve of the distribution of successes, if getting a total greater than 4 is considered a success.

If 12 dice are rolled at random, obtain the mean and variance of the distribution of successes, if 'getting a number greater than 4' is considered a success.

Two dice are rolled at random 5 times. Obtain the mean and variance of the distribution of doublets obtained.

Two dice are rolled at random 5 times. Obtain the mean and variance of the distribution of doublets obtained.

Eight dice are rolled at random. Find the mean and variance of number of successes if : getting an odd number is success.

A dice is rolled twice. Find the probability distribution of number of successes if : A number greater than 4 is to be considered as success.

A dice is rolled twice. Find the probability distribution of number of successes if : A number greater than 4 is to be considered as success.

Eight dice are rolled at random. Find the mean and variance of number of successes if : getting a number less than 3 is success.

The mean and variance of binomial distribution are 4 exactly six success in this distribution is

Eight dice are rolled at random. Find the mean and variance of number of successes if : (i) Getting an odd number is success (ii) Getting a number less than 3 is success.