Answer:
d
Step-by-step explanation:
Answer:c
Step-by-step explanation:
The standard deviation is 1.43 below the mean
<h3>How to determine the number of standard deviation?</h3>
The given parameters are:
Mean = 98.249
Standard deviation = 0.733
x = 97.2
To calculate the number of standard deviation below the mean, we use

So, we have:

Evaluate the like terms

Divide both sides by -0.733
n =1.43
Hence, the standard deviation is 1.43 below the mean
Read more about standard deviation at:
brainly.com/question/15858152
#SPJ1
C. because 2.25 X 3 = 6.75 and 6.75 X 3 is 20.25
Answer:
J: 84%.
Step-by-step explanation:
I don't really know how to explain this one.