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not yet beell 18. Server reliability. An important data server breaks down for 40% of the time and is operational the other 60% of the

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not yet beell 18. Server reliability. An important data server breaks down for 40% of the time and is operational the other 60% of the time. How many indepen dent servers should be running so that there is a 99% chance at least one is operational? Assume the servers break down independently

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