Answer:
B
Step-by-step explanation:
its kinda obvious
-96-(-86) -10 -2
------------= ------= -----= -2
82-87 -5 1
Answer:
z-score for 900 points = -4
Step-by-step explanation:
To find the z scores
z=(x-mean)/standard deviation
so
z=(900-1500)/150
z= -600/150
Answer:
Step-by-step explanation:
-20z+8+(-6)
-20z+2