Answer :
Final answer:
The normal body temperature, as a result of the body's thermoregulation, is about 37.0°C or 98.6°F. Thus, the sample mean body temperature of 149 healthy individuals would be closest to 98.6°F.
Explanation:
From the given information, we can determine that the normal body temperature for a healthy individual is usually given as around 37.0°C or 98.6°F. This temperature, which is a result of the body's thermoregulation, remains fairly constant in humans, allowing only for minor variations. Nonetheless, body temperature can fluctuate within a certain range and still be healthy. Based on this, we can therefore assume that the sample mean body temperature of the 149 healthy individuals to be (a) 98.60 degrees Fahrenheit.
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