If 2%of electric bulbs manufactured by a certain company are defective, find the probability that in sample of 200bulbs (a) less than 2 bulbs are defective. (b) more than 3 bulbs are defective .
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(b) more than 3 bulbs are defective as
2/100×200
2×2
4
which is greater than 3 so we can derive the answer
2/100×200
2×2
4
which is greater than 3 so we can derive the answer
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