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Use 68-95-99.7 rule and round to nearest hundredth. mean=7.5 standard deviation=1.10 Q:15% of adults get more than how many hours of sleep?

Use 68-95-99.7 rule and round to nearest hundredth.

mean=7.5

standard deviation=1.10

Q:15% of adults get more than how many hours of sleep?

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