Solve the below:
Q: The slow paying accounts for a local wholesaler are normally distributed with a mean of 20 accounts and a standard deviation of 4 accounts.
a What is the probability of randomly selecting an account and finding that it is slow?
b What is the probability of selecting an accounting period that has more than 25 slow paying accounts?
c What proportion of the company's business cycle would experience less than 15 customers classified as slow?
d What is the probability that an auditor randomly selects a period to evaluate and finds more than 17 slow paying customers?
e What are the chances of randomly selecting a period that has more than 22 or less than 16 slow paying customers?