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Ball bearings are mannormally distributed with a meanufactured with a diameter of 5 mm. But the process has variation, so the diameter is normally distributed with a mean of 5 mm and a standard deviation of .02 mm.
A) What proportion of ball bearings are more than 5.03 mm?
B) Any ball bearing less than 4.95 mm and greater than 5.05 mm will be discarded. What proportion will be discarded?
C) If the company makes 30000 ball bearings a day, how many should they expect to discard?
D) If an order for 50000 bearings comes in, who many should the company make if all ball bearings should be between 4.97 mm and 5.03 mm?
There are 6 different factors labeled as A, B, C, D, E, and F. Given that D=AB, E=-AC, F=-BC, please provide the corresponding 26-3 design table. Also, please write down the complete defining relation and the complete effect alias structure.
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The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Describe your re..
Two letters are chosen at random without replacement from word statistical. Determine the probability that both letters are s?
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