In: Statistics and Probability
A Shopping Mall sells trays of eggs of which some are returned because they are defective and it has been observed that 15% of the trays are defectives. The defective and no defective trays where observed on a random manner. If 8 trays are randomly collected, Find :-
a) The probability that exactly 2 of them are defective
b) The probability that at least 3 are defective
c) The probability that at most 2 are defective
d) The probability that no tray is defective
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