Mathematics, 12.06.2020 18:57 gizmokris
A recent study of the lifetimes of cell phones found the average is 24.3 months. The standard deviation is 2.6 months. Assume cell phone life is normally distributed. If a single phone is selected, find the probability the lifetime of the phone will be less than 25.5 months.
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A recent study of the lifetimes of cell phones found the average is 24.3 months. The standard deviat...
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