Apples are packaged at a fruit packaging unit in boxes with 20 fruits each. It is known that 5% of the apples that arrive at the packaging unit cannot be sold, and for this purpose each apple is checked before packaging and put in a box only if found suitable for sale. The distribution of the number of apples that are needed to be checked in order to fill a box is

(a) Poisson

(b) binomial

(c) hypergeometric

(d) negative binomial

(e) none of the above