A factory produces lightbulb. testing shows that every 1000 lightbulbs tested, 7 are defective. estimate the probability that a bulb chosen at random will be defective.

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asked Feb 8, 2017 116k views

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Marker · Answer 1 · 2017-02-12T06:33:52+0000

The probability that the light bulb will be defective is 7/1000 or 0.007 or 0.7%. Probability is the number of favorable outcomes (in this case 7) over the number of total outcomes (in this case 1000).

A factory produces lightbulb. testing shows that every 1000 lightbulbs tested, 7 are defective. estimate the probability that a bulb chosen at random will be defective.

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