Twenty identical coins each with probability p of showing heads are tossed. If the probability of heads showing on 10 coins is same as that of tails showing on 11 coins, then p is

One hundred identical coins, each with probability 'p' of showing heads are tossed once. If 0 lt p lt 1 and the probability of heads showing on 50 coins is equal to that of heads showing on 51 coins, then the value of p is

Find the probability of getting head in a toss of one coin:

Find the probability of getting head in a toss of one coin:

A coin is tossed. What is the probability of getting: a head?

Two coins are tossed together. Find the probability of getting : no head

A coin is tossed twice, the probability of getting head both the times is

A coin is tossed twice, the probability of getting head both the times is

Find the probability of getting two heads in two tosses of a coin.

Two coins are tossed together. Find the probability of getting : at most one head

A coin is tossed twice. Find the probability of getting: two heads