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

In a simultaneous toss of two coins, find the probability of getting: exactly one head

In a simultaneous toss of two coins, find the probability of getting: exactly 2 tails

In a simultaneous toss of two coins,find the probability of getting: exactly one head

In a simultaneous toss of two coins,find the probability of getting: exactly 2 tails

In a simultaneous toss of two coins,find the probability of getting:exactly one head.

In a simultaneous toss of four coins, the probability of getting exactly three heads is

In a simultaneous toss of four coins, the probability of getting exactly three heads is

If two coins are simultaneously tossed, then find the probability of occuring two heads.

If three coins are tossed simultaneously, find the probability of getting: (i) two heads (ii) one head and two tails (iii) at least one head