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A box of oranges is inspected by examining three randomly selected oranges drawn without replacement. If all the three oranges are good, the box is approved for sale otherwise it is rejected. Find the probability that the box containing 15 oranges out of which 12 are good and 3 are bad ones will be approved for sale. Which values are reflected when boxes are approved for sale? |
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Answer» Total oranges = 15, good oranges = 12, bad oranges = 3 3 oranges are selected at random without replacement. Box is approved for sale if all the three selected oranges are good. P(box approved for sale) = 12C3/15C3 = 44/91 Value reflected is honesty. |
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