A bag contains 177 bulbs out of that 51 were found defective? If a bulb picked randomly from the bag what is the probability of getting a bulb which is not defective? If the bulb picked was kept a side and picked other bulb randomly, what is the probability that bulb chosen was a good one ?
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
Total number of bulbs in the box =400
Total number of defective bulbs in the box =15
Total number of non-defective bulbs in the box =400−15=385
P (bulb is not defective) =Total number of bulbsNumber of non−defective bulb