A quality control inspector is checking a sample of

Last updated: 3/8/2024

A quality control inspector is checking a sample of lightbulbs for defects The table summarizes the results If one of these lightbulbs is selected at random find the probability that the lightbulb is good given that it is not 20 watts Wattage Good Defective Total 20 55 6 61 50 67 9 76 100 94 11 105 Total 216 26 242 The probability is Type an integer or a simplified fraction