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 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 heads is three xx as likely to appear as tails.Find P(H) and P(T). If such a coin is tossed twice find the probability that head occurs atleast once

A coin is biased so that heads is three xx as likely to appear as tails.Find P(H) and P(T). If such a coin is tossed twice find the probability that head occurs atleast once

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 fair coin is tossed three times . The probability that there is atleast one tail is