3. Twenty percent of the worm gears produced by an automatic, high-speed milling machine are defective....
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3. Twenty percent of the worm gears produced by an automatic, high-speed milling machine are defective. A random sample of 6 worm gears were selected. a. What is the probability distribution that this experiment follows? b. What is the probability that out of 6 gears selected at random none will be defective? c. What is the probability that at least two gears selected at random will be defective? d. What is the probability that at most three gears selected at random will be defective? e. What is the expected value & standard deviation of the worm gears which are defective? 3. Twenty percent of the worm gears produced by an automatic, high-speed milling machine are defective. A random sample of 6 worm gears were selected. a. What is the probability distribution that this experiment follows? b. What is the probability that out of 6 gears selected at random none will be defective? c. What is the probability that at least two gears selected at random will be defective? d. What is the probability that at most three gears selected at random will be defective? e. What is the expected value & standard deviation of the worm gears which are defective?
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Quiz a The probability distribution that this experiment follows is binomial which can be determined by using the binomial formula The binomial formul... View the full answer
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