A coin is biased so that a head is twice as likely to occur as a tail. If the coin is tossed 3 times, what is the probability of getting 2 tails and 1 head?

A coin is tossed three times.What is the probability of getting no tail ?

A coin is biased so that the head is 3 times as likely to occur as tail. If the coin is tossed three times, find the probability distribution of number of tails.

A coin is biased so that the head is 3 xx as likely to occur as tail.If the coin is tossed twice,find the probability distribution of number of tails.

A coin is weighted so that head is twice as likely lito appear as tail.When such a coin is tossed once the probability of getting tail is

A coin is tossed 5xx.What is the probability of getting at least 3 heads.

A biased coin in which probability of getting head is twice to that of tail. If coin is tossed 3 times then the probability of getting two tails and one head is

If two coins are tossed five times, thenthe probability of getting 5 heads and 5 tails is

Two coins are tossed. What is the probability of getting 2 heads or 2 tails?