Two persons toss a coin three times. To get equal headship by both the persons...

The coin is tossed three times.

Two coins are tossed. Find the probability of getting a head on both the coins.

Each of two persons tosses three fair coins. The probability that they obtain the same number of heads is

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

If a coin is tossed three times, find the sample space.

If a coin is tossed three times, then the sample space for this experiment is

A coin is tossed three times. The probability of getting head and tail alternately, is

A purse contains two coins of which one is two headed coin and the other is a fair con. A person selects one of the coins at random and tosses. If he gets head, the tosses the other coin, otherwise he tosses the same coin. It is given that he got head in the second toss. The probability that his first selection is a fair coin and getting head is

In an experiment, a fair coin is tossed three times. If success means getting two heads, then the probability of no success when exoeriment is repeated thrice, is

Two coins are tossed simultaneously 400 times and we get two heads : 180 times one head : 148 times no head : 72 times . If two coins are tossed at random , what is the probability of getting (i) 2 heads ? (ii) 1 head ? (iii) 0 head ?