Math SAT scores are known to be normally distributedwith mean of
500 and standard deviation of 100. Answer the following questions.(I also want to see
good notation and some of your calculations.)
a) Suppose we randomly select one person who has taken the SAT.What is the
probability their math score is between 525 and 550?
b) Suppose we randomly select 25 people who have taken the SAT.What is the
probability their average math score is between 525 and 550?