Scores are normally distributed with mean  = 360 and standard deviation  = 60. a) What is the probability that a score is less than 220? _________ b) What percent of scores are between 272 and 458?...

Scores are normally distributed with mean  = 360 and standard deviation  = 60.

a) What is the probability that a score is less than 220? _________
b) What percent of scores are between 272 and 458? _________
c) What percent of scores are greater than 400? __________
d) What data value has 33% of the scores below it? __________
e) If a random sample of size 144 is chosen, what is the probability that the sample
mean is less than 357?
__________