a coin is tossed three times .I) find the probability of at least two

1.	a coin is tossed three times .I) find the probability of at least two head ii) find the probability not being the same result in each care iii) find the probability of taking curt tail
Answer» If you toss a coin thrice then one of the following 8 outcomes is possible. HHH HHT HTH HTT THH THT TTH TTT Favourable outcome = HHT or THH or HTH No. Of favourable outcome (FO)= 3 Total No. Of outcome (TO) =8 Probability =FO/TO =3/8

a coin is tossed three times .I) find the probability of at least two head ii) find the probability not being the same result in each care iii) find the probability of taking curt tail

Answer»

If you toss a coin thrice then one of the following 8 outcomes is possible.

HHH

HHT

HTH

HTT

THH

THT

TTH

TTT

Favourable outcome = HHT or THH or HTH

No. Of favourable outcome (FO)= 3

Total No. Of outcome (TO) =8

Probability =FO/TO =3/8