Question content area top Part 1 Most people think that the​ "normal" adult body temperature is 98.6°F. In a more recent​ study, researchers reported that a more accurate figure may be 98.1°F. ​Furthermore, the standard deviation appeared to be around 0.7°F. Assume that a Normal model is appropriate.      ​c) Below what body temperature are the coolest 20​% of all​ people?

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Part 1
Most people think that the​ "normal" adult body temperature is
98.6°F.
In a more recent​ study, researchers reported that a more accurate figure may be
98.1°F.
​Furthermore, the standard deviation appeared to be around
0.7°F.
Assume that a Normal model is appropriate. 
 
 
​c) Below what body temperature are the coolest
20​%
of all​ people?
Expert Solution
Step 1: Write the given information.
The thought of most people is that the​ "normal" adult body temperature is 98.6 degree F.

From a recent​ study, the population mean is mu equals 98.1 degree F.
The population standard deviation sigma equals 0.7 degree F.
The model is Normal. 

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