SOLUTION: Zingon make light bulbs. The probability that a Zing On light bulb is faulty is1/20.Gina tests 240 of these light bulbs. First How many of them would she expect to be faulty?

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Question 1186880: Zingon make light bulbs. The probability that a Zing On light bulb is faulty is1/20.Gina tests 240 of these light bulbs. First How many of them would she expect to be faulty?
Answer by ikleyn(52815) About Me  (Show Source):
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1%2F20  of  240  expect to be faulty,  i.e.  12, according to the condition.             ANSWER

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Solved.