Hello

The binomial distribution gives the discrete probability distribution P(n/N) of obtaining exactly n successes out of N Bernoulli trials

(where the result of each Bernoulli trial is true with probability p and false with probability q=1-p)

P(n/N) = [N!/(N-n)!n!] * p^n * (1-p)^N-n

We can just put the values of total number of trials as N and find the probability required

Hope this helps

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