Answer:
Step-by-step explanation:
with what
Solution: We are given:

Using the empirical rule, we have:
covers 68% of data.
Also the percentage of values below mean = Percentage of values above mean = 50%
Now, let's find the z score for x=20

Therefore, the percentage of values greater than 1 standard deviation above mean 
Expected number of students = 16% of 100 = 16
Answer: (X) = y => b^y = x
use that equation to get the exponential form
Step-by-step explanation: