Wattage Good Defective Total A quality control inspector is checking a sample of light bulbs. The table summarizes her results. If one of the light bulbs is selected at random, find the probability that the light bulb is defective, given that it is a 20 or 50 watt bulb. 20 81 15 96 50 56 11 67 100 84 10 94 Total 221 36 257 The probability is (Simplify your answer. Type an integer or a fraction.)

Wattage Good Defective Total A quality control inspector is checking a sample of light bulbs. The table summarizes her results. If one of the light bulbs is selected at random, find the probability that the light bulb is defective, given that it is a 20 or 50 watt bulb. 20 81 15 96 50 56 11 67 100 84 10 94 Total 221 36 257 The probability is (Simplify your answer. Type an integer or a fraction.)

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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