Given 46 total respiratory events over 4 hours of sleep, the average number of events per hour is closest to which value?

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Multiple Choice

Given 46 total respiratory events over 4 hours of sleep, the average number of events per hour is closest to which value?

Explanation:
The main idea is to find the average rate by dividing the total events by the total time in hours. So, 46 respiratory events over 4 hours gives 46 ÷ 4 = 11.5 events per hour. Among the provided values, 11.5 per hour is the closest match. A quick check shows that 9 per hour would imply 36 events in 4 hours, 20 per hour would imply 80 events, and 36 per hour would imply 144 events, all of which don’t match the given total.

The main idea is to find the average rate by dividing the total events by the total time in hours. So, 46 respiratory events over 4 hours gives 46 ÷ 4 = 11.5 events per hour. Among the provided values, 11.5 per hour is the closest match. A quick check shows that 9 per hour would imply 36 events in 4 hours, 20 per hour would imply 80 events, and 36 per hour would imply 144 events, all of which don’t match the given total.

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