Answer: 16
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
The value of z-score is given by :-

For x= 115

The p-value : 
Now, the number of people smarter than Many is given by :_

Hence, there are 16 members smarter than Mandy.
Answer:
The co variance of the midterm and final exam scores is 58.76.
Step-by-step explanation:
The formula to compute the sample co variance is:

The values are computed in the table below.
Compute the co variance as follows:

Thus, the co variance of the midterm and final exam scores is 58.76.
A. 28/116
B. 45/182
C. 38/116
D. 18/182
All of the angles in a triangle equal 180° so if the first 2 angles are 60°, combined that equal 120°, leaving 60° left. X= 60°
Given,
base=6 ft
height=5 ft
Now,
volume of pyramid=1/3×B×h(where B is base area)
=1/3×(6×6)×5
=1/3×36×5
=<em>60 ft cubed</em>