Each of A and B tosses a fair coin simultaneously 10 times. The probability that both of them will not get tail at the same toss is equal to

A and B toss a fair coin each simultaneously 20 times.Then the probability that both of them will not get tail at the same toss is equal to

A and B toss a fair coin each simultaneously 50 xx.The probability that both of them will not get tail at the same toss is (3/4)^(50) b.(2/7)^(50) c.(1/8)^(50) d.(7/8)^(50)

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

Each of the persons A and B independently tosses three fair coins. The probability that both of them get the same number of heads is :

Six coins are tossed simultaneously. The probability that at least one tail turns up is

A fair coin is tossed 9 times. The probability that it shows heads in the first four tosses and tails in the last five tosses is

If a fair coin is tossed twice, find the probability that both outcomes are the same.

two fair coins are tossed simultaneously . Find the probability of getting two heads .