Question

a lot of 40 bulbs contains 8 defective ones one bulb is drawn at random from the lot find the probability of getting defective bulb and not defective​

Answer 1

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Answer 2

Step-by-step explanation:

Total Bulbs = 40

Defective bulbs = 8

Non-Defective bulb = 40 - 8 = 32

P(getting defective bulbs) = 8/40 = 1/5

P(getting Non-Defective) = 32/40 = 4/5