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In the production of a particular model of cell phones, it is found that 5% are defective. Cellular phones are selected at random and put into boxes of 10. If a box is selected at random, find the probability that it contains.

(i) Exactly three defective phones
(ii) Less than four defective phones
(iii)Now if two boxes are randomly selected, find the probability that there are, no defective phones in either box.

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