Answer:
what the question in this
Step-by-step explanation:
-9 is a rational number. Rational numbers are numbers that can’t be written as a simple fraction like pi (3.14...etc)
Answer: 0.0336
Step-by-step explanation:
Given : The distribution of cholesterol levels in teenage boys is approximately normal with mean :
Standard deviation : 
The formula for z-score is given by :-

For x=225

The p-value =

The probability that a teenage boy has a cholesterol level greater than 225 =0.0336
What is the rest of the bottom pic?