1.

A factory produces bulbs. The probability that any one bulb is defective is (1)/(50)and they are packed in 10 boxes. From a single box, find the probability that, (i) none of the bulbs is defective (ii) exactly two bulbs are defective (iii) more than 8 bulbs work properly.

Answer»


Answer :`(i) ((49)/(50))^(10) (ii) 45 XX ((1)/(50))^(10) *(49)^(8) (iii) ((49)^(9)*59)/((50)^(10))`


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