What is normal, when it comes to people's body temperatures? A random sample of 350 human body temperatures had a mean of 98.35° and a standard deviation of 0.72°. (a) Construct a 99% confidence interval for the average body temperature of healthy people. (Round your answers to two decimal places.) 98.22 ° to 98.38 th) Do0g th alconot

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**Understanding Normal Body Temperature**

In exploring what constitutes a normal body temperature, a study involving a random sample of 350 human body temperatures was conducted. The findings showed an average (mean) body temperature of 98.35°F, with a standard deviation of 0.72°F.

**Part (a): Confidence Interval Calculation**

A 99% confidence interval was calculated to estimate the average body temperature of healthy individuals. It provides a range expected to contain the true average temperature.

- **Confidence Interval Range:** 98.22°F to 98.38°F

This range was obtained by statistical methods and rounding the results to two decimal places ensures precision in reporting. 

**Part (b): Comparison with Usual Average Temperatures**

The subsequent analysis involves assessing whether the established confidence interval includes the commonly cited average body temperature value, such as 98.6°F, and determining the implications of these findings.

This information aids in understanding variations in human body temperature and provides insights relevant to health diagnostics and studies.
Transcribed Image Text:**Understanding Normal Body Temperature** In exploring what constitutes a normal body temperature, a study involving a random sample of 350 human body temperatures was conducted. The findings showed an average (mean) body temperature of 98.35°F, with a standard deviation of 0.72°F. **Part (a): Confidence Interval Calculation** A 99% confidence interval was calculated to estimate the average body temperature of healthy individuals. It provides a range expected to contain the true average temperature. - **Confidence Interval Range:** 98.22°F to 98.38°F This range was obtained by statistical methods and rounding the results to two decimal places ensures precision in reporting. **Part (b): Comparison with Usual Average Temperatures** The subsequent analysis involves assessing whether the established confidence interval includes the commonly cited average body temperature value, such as 98.6°F, and determining the implications of these findings. This information aids in understanding variations in human body temperature and provides insights relevant to health diagnostics and studies.
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