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Ok brainiacs, a little help is greatly appreciated. A student has a box containing 25 computer disks, of which 15 are blank and the other 10 are not. If student randomly selects disks one by one, what is the probability that at least two must be selected in order to find one that is blank? (2...
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PRACTICE PROBLEM I WAITING LINE THEORY Chapter 14 C&S bank can operate up to 4 drive-in teller windows. Currently each window costs $10/hr. to operate. Each teller window can serve a customer on the average in 72 seconds. Bank customers arrive at the drive-in service system at an average...
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Mean height of men, mean 68 inches and a standard deviation of 2.5 inches. What is the probability of a man selected at random will have a hight above 72 inches? A sample of 49 meant, what is the probaility that the mean hight is greater than 67 inches (using standard score table)? View more questions Search
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