The probability of obtaining 4 heads, 4 tailswhen 8 unbiased coins are tossed is

The probability of getting head or tail,when an unbiased coin is tossed is

Using binomial distribution find the probability of obtaining "less than 3 heads" when an unbiased coin is tossed 6 times.

What is the probability of getting 3heads if 6 unbiased coins are tossed simultaneously?

The probability of getting at least 2 heads,when an unbiased coin is tossed 6 times is

The probability of getting at least 2 heads, when an unbiased coin is tossed 6 times is

Getting a 'head' when an unbiased coin is tossed is

Find the probability of getting a head in a toss of an unbiased coin.

Find the probability of getting a head in a toss of an unbiased coin.

Find the probability of gétting a head in a toss of an unbiased coin.

The probability of obtaining exactly r heads and (n-r) tails,when we toss n unbiased coins is