Question

A coin tossed 20 times and was observed that the tail came up 13 times. find the probablity of getting head.

Answer 1

Agar 13 times tail h toh baki ki possibilities head ho sakti h matlab 7

Answer 2

No. Of tails = 7..

No. Of times tossed = 20..

Therefore no. Of heads = 20 -13 = 7.

Therefore probability of heads = no of outcomes / total number of outcomes

7/20..

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