A coin is biased so that it is twice as likely to show heads as tails. Find the probability that in

Question

A coin is biased so that it is twice as likely to show heads as tails. Find the probability that in $5$ tosses of the coin, exactly $3$ heads are obtained, more than $3$ heads are obtained.

Accepted Answer

(a) $0.329$; (b) $0.461$.

Coin tosses

Coin tosses