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Question

A coin  is  tossed  40 times  and  the  head  appear  15 times  . what  is  the  probability  of  getting  a  tail  ? 


Solution

Coin tossed 40 times,

no of times head appeared=15

no of times tail will appear=25

probability of getting tail
=25/40
=5/8
=.625

(in a toss of a coin there are only two outcome;
head and tail)
so if the head is 15 out of 40,the tail is 25)

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