[SOLVED] Probability question of tossing the coins

[pavan garate]

A fair coin is tossed 5 times and comes up heads 4 times out of 5. Then if the coin is tossed a sixth time under the same conditions, the probability of it turning up heads is:

(A) 80%
(B) 125%
(C) 50%
(D) 20%

 

[hexreader]

Has this become the "do my homework for me" forum?

What answer do you think is right, and why?

 

[FvM]

If you have no clue, read about independence in statistic theory https://en.wikipedia.org/wiki/Independence_(probability_theory)