NCERT Exercise 14.1 - Q17(ii) - Probability
Question: Suppose the bulb drawn in (i) is not defective and is not replaced. Now one bulb is drawn at random from the rest. What is the probability that this bulb is not defective?
Answer: P(not defective) = 15/19.
Full step-by-step NCERT solution with diagrams on Something by Zero.