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Worried that she would be late to an early morning exam, a student set TWO alarm clocks. Suppose Alarm Clock 1 is 60% reliable, meaning

Worried that she would be late to an early morning exam, a student set TWO alarm clocks. Suppose Alarm Clock 1 is 60% reliable, meaning it will wake her up 6 times out of 10. Suppose Alarm Clock 2 is 90% reliable. What is the chance at least one of the alarms will wake her up? (a) .96 (b) .90 (c) .75 (d) .54

can u show your work so I can see how to do this

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