Given that a population of scores is normally distriibuted with u=100 and o=8, determine the following:

Question

a. The percentile rank of a score of 120
b. The perentage of scores that are below a score of 99
c. The percentage of scores that are between a score of 101 and 122
d. The percentage of scores that are between a score of 114 and 124
e. The score in the population aboe which 5% of the scores lie

Answer 1

if you visit

http://davidmlane.com/hyperstat/z_table.html

I think you will find it easy to answer all these questions, and if you play around some you should see how it all fits together.