Question 1
Find the requested percentile.
The weights of certain machine components are normally distributed with a mean of 8.62 grams and a standard deviation of 0.09 grams. Find the 97th percentile. Round your answer to one decimal place.
◦ 8.7 grams
◦ 8.9 grams
◦ 8.8 grams
◦ 8.6 grams
Question 2
Solve the problem.
Which of the following statements concerning areas under the standard normal distribution curve is/are true (if any)?
a. The area to the left of -3 in a standard normal distribution curve is zero.
b. The area under a standard normal distribution curve between any two z-scores is greater than
zero.
c. The area under the standard normal normal distribution curve between two z-scores will be negative if
both z-scores are negative.
d. The area under the standard normal distribution curve to the left of any z-score is less than 1.
◦ b, d
◦ a, b
◦ a
◦ a, c
Blood vessels: (A) normal artery, (B) constriction, and (C) arteriosclerosis and atherosclerosis.
Normal karyotype.
Common Laboratory Tests and Their Normal Values
Examples of Mission Statements
Problem
Standard Symbols Used in Pedigrees