Answer:
<em>z-score will be: 7.741.... and it will be unusual. </em>
Step-by-step explanation:
Human body temperatures have a mean of 98.20 degrees Fahrenheit and a standard deviation of 0.62 degrees Fahrenheit.
So here,
and 
<u>Formula for z-score</u> is: 
Thus, the z-score for 103.00 degrees Fahrenheit will be.......

As, here the z-score is more than 2 standard deviations above the mean, so 103.00 degrees Fahrenheit is unusual for human body temperature.
Answer:
The answer is D.
Step-by-step explanation:
AQRT is a 30-60-90 triangle.