Wattage Good Defective Total A quality control inspector is checking a sample of light bulbs. The table summarizes her 20 53 8. 61 results. If one of the light bulbs is selected at random, find the probability that the light bulb 50 56 is defective, given that it is a 20 or 50 watt bulb. 68 12 100 66 Total 175 26 201 The probability is | (Simplify your answer. Type an integer or a fraction.) Enter your answer in the answer box and then click Check Answer. 72

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