Assume that human body temperatures are normally distributed with a mean of 98.19°F and a standard deviation of 0.62°F. a. A hospital uses 100.6°F as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever? Does this percentage suggest that a cutoff of 100.6°F is appropriate? b. Physicians want to select a minimum temperature for requiring further medical tests. What should that temperature be, if we want only 5.0% of healthy people to exceed it? (Such a result is a false positive, meaning that the test result is positive, but the subject is not really sick.) a. The percentage of normal and healthy persons considered to have a fever is %. (Round to two decimal places as needed.) Does this percentage suggest that a cutoff of 100.6°F is appropriate? A. Yes, because there is a large probability that a normal and healthy person would be considered to have a fever. B. No, because there is a small probability that a normal and healthy person would be considered to have a fever. C. No, because there is a large probability that a normal and healthy person would be considered to have a fever. D. Yes, because there is a small probability that a normal and healthy person would be considered to have a fever. b. The minimum temperature for requiring further medical tests should be _°F if we want only 5.0% of healthy people to exceed it. (Round to two decimal places as needed.)

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Description: Assume that human body temperatures are normally distributed with a mean of 98.19°F and a standard deviation of 0.62°F. a. A hospital uses 100.6°F as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Assume that human body temperatures are normally distributed with a mean of 98.19°F and a standard deviation of 0.62°F.

a. A hospital uses 100.6°F as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever? Does this percentage suggest that a cutoff of 100.6°F is appropriate?

b. Physicians want to select a minimum temperature for requiring further medical tests. What should that temperature be, if we want only 5.0% of healthy people to exceed it? (Such a result is a false positive, meaning that the test result is positive, but the subject is not really sick.)

a. The percentage of normal and healthy persons considered to have a fever is __%.

(Round to two decimal places as needed.)

Does this percentage suggest that a cutoff of 100.6°F is appropriate?

A. Yes, because there is a large probability that a normal and healthy person would be considered to have a fever.

B. No, because there is a small probability that a normal and healthy person would be considered to have a fever.

C. No, because there is a large probability that a normal and healthy person would be considered to have a fever.

D. Yes, because there is a small probability that a normal and healthy person would be considered to have a fever.

b. The minimum temperature for requiring further medical tests should be ___°F if we want only 5.0% of healthy people to exceed it.

(Round to two decimal places as needed.)

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