1.

ORA carton of 24 bulbs contain 6 defective bulbs. One bulb is drawn at random. What is the probabilitythat the bulb is not defective? If the bulb selected is defective and it is not replaced and a secondbulb is selected at random from the rest, what is the probability that the second bulb is defective:

Answer»

Probability of getting non defective bulbs = 18/24Probability of getting defective bulbs = 6/24



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