A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.4 years, and standard devia

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answerhappygod
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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.4 years, and standard devia

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A manufacturer knows that their items have a normallydistributed lifespan, with a mean of 3.4 years, and standarddeviation of 1 years.
If you randomly purchase one item, what is the probability itwill last longer than 6 years?
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