18 % of biscuits made by a baker are chocolate chip cookies. 7 biscuits are selected at random.         a) Assuming a binomial distribution for X , the number of chocolate chip cookies, write down the values of n and p X∼bin(n,p) n=?        p=? b) Find the probability that our selection contains exactly 4 chocolate chip cookies. P(X=4)=?  (to 3 decimal places).   Find the probability that our selection contains no more than 2 chocolate chip cookies. Probability = ?  (to 3 decimal places).

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