Question

Human body temperatures have a mean of 98.20° F and a standard deviation of 0.62° F. If a student is found to have a temperature of 99.5° F, find the z score and assess whether this temperature should be considered unusual.

Answer 1

Answer: 2.1; unusual

Explanation:

Answer 2

2.1; unusual

Explanation:

The student's temperature is higher than the mean, so its z-score will be positive. Since the score is more than 2, it is considered "unusual."