Answer:
5
Step-by-step explanation:
(4+11)/3 = 15/3 = 5
E. II or IV only because it will have different signs if point Q was in either of those quadrants
Solution:
Given the mean and standard deviation;

The z-score formula is;

(a)

(b)

(c)
Answer:
y=x-2
Step-by-step explanation:
If you have drawn the graph of
.
To determine the equation of the line which should be drawn to solve the equation: x² - 4x +3=0
Simply carry out the subtraction: 

The equation of the line which should be drawn is: y=x-2
What this means is simply:
If
