-Which score has the highest relative position: a score of 32 on a test for which x = 26 and s = 10, a score of 5.7 on

a test for which x = 4.7 and s = 1.3 or a score of 394.5 on a test for which x = 374 and s = 41?

-How many 5-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is not allowed?

-If you throw a die for two times, what is the probability that you will get a one

on the first throw or a one on the second throw (or both)?

-Fifty students took an Introduction to Chemistry exam. Assume that their scores formed a normal distribution with a mean

of 80 and standard deviation of 4. The professor decided to adjust the scores by creating z scores. Only the first 2.5% of

students got an A. Students were curious what actual scores would be As?

-The mean weight, , of the US population is 140 lbs. with a standard deviation,