@Naveen Kumar 3Why we taking here p/2
@Naveen Kumar 3 I also think so.
@ajaysoni1924 each day we are first flipping a coin with probability p, then getting a head with probability 1/2.
so, P(success)= p*(1/2) =p/2 {both are independent events}
&, P(not success)= (1-p/2)
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