A fair coin is tossed 6 times. Find the probability that exactly 2 heads occurs.

Verfy the following statement:
The mean of a Binomial distribution is 12 and its standard deviation is 4.

In tossing of a five fair coin, find the chance of getting exactly 3 heads.

In a Poisson distribution the first probability term is 0.2725. Find the next Probability term 

In a book of 520 pages, 390 typo-graphical errors occur. Assuming Poisson law for the number of errors per page, find the probability that a random sample of 5 pages will contain no error.

Define Binomial distribution.

Define Bernoulli trials.

Write down the conditions for which the binomial distribution can be used.

In a family of 3 children, what is the probability that there will be exactly 2 girls?

If the probability of success is 0.09, how many trials are needed to have a probability of atleast one success as 1/3 or more ?

A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability of 2 successes.

The mean of a binomial distribution is 5 and standard deviation is 2. Determine the distribution.

Define Poisson distribution.

Write any 2 examples for Poisson distribution.

Write the conditions for which the poisson distribution is a limiting case of binomial distribution.

Mention the properties of poisson distribution.

Define Normal distribution.

Define Standard normal variate.

Write down the conditions in which the Normal distribution is a limiting case of binomial distribution.