Complete Question
The complete question is shown on the first uploaded image
Answer:
a i
a ii
a iii
b
Step-by-step explanation:
From the question we are told that
The mean is
The standard deviation is
Generally the probability is less than 185 is mathematically represented as
Generally
=>
From the z-table the p value of (Z< -0.5) is
So
Generally the probability is less than 185 is mathematically represented as
=>
From the z-table the p value of (Z > 0.5) is
So
Generally the probability is less than 185 is mathematically represented as
=>
=>
From the z-table the p value (Z < 0.5) and (Z < -0.5) is
and
So
=>
=>
Generally the level of cholesterol the 97th percentile represents is mathematically evaluated as
=>
=>
From the z-table the z-score for 0.97 is
=>
=>