Redundancy in Alarm Clocks A student misses many classes because of malfunctioning alarm clocks. Instead of using
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Redundancy in Alarm Clocks A student misses many classes because of malfunctioning alarm clocks. Instead of using one alarm clock, he decides to use three. What is the probability that at least one of his alarm clocks works correctly if each individual alarm clock has a 99% chance of working correctly? Does the student really gain much by using three alarm clocks instead of only one?
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