Q10Short answer
1 P (A) = = , 100 10 2 1 P (A ∩ B) = = 100 50 PROBABILITY 263 P (A ∩ B) 1 10 1 P (B | A) = = × = P (A) 50 1 5 Thus the probability of the picked up bulb of its being defective, if it is red, is .
1 P (A) = = , 100 10 2 1 P (A ∩ B) = = 100 50 PROBABILITY 263 P (A ∩ B) 1 10 1 P (B | A) = = × = P (A) 50 1 5 Thus the probability of the picked up bulb of its being defective, if it is red, is .