1. A quality control engineer is in charge of testing whether or not 90% of the

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1. A quality control engineer is in charge of testing whether or not 90% of the DVD players produced by his company conform to specifications. To do this, the engineer randomly selects a batch of 12 DVD players from each day's production. The day's production is accept-able provided no more than 1 DVD player fails to meet specifications. Otherwise, the entire day's production has to be tested. (i) What is the probability that the engineer incorrectly passes a day's production as acceptable if only 80% of the day's DVD players actually conform to specification? (ii) What is the probability that the engineer unnecessarily requires the entire day's production to be tested if in fact 90% of the DVD players conform to specifications?

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1. A quality control engineer is in charge of testing whether or not 90% of the

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