Answer:
8.08 %
Step-by-step explanation:
Let us denote :
score X follows a normal distribution with mean
and standard deviation 
Step 2
The probability that someone scored 21.9 or less is :





Answer : 
Answer:
Simplifying
x = 4.5 + -0.5y
Step-by-step explanation:
Answer:
10,346.0(1.1)^x
112,096 people
Step-by-step explanation:
edg