Annual salaries at Courtney-Davies Worldwide Consulting follow an approximately normal pattern, with a mean wage of $82,300 and a standard deviation of $12,400. If an employee is randomly selected, how likely is it that the employee’s salary is
a. Between $88,000 and $104,000?
b. Between $75,000 and $90,000?
c. More than $67,000?
d. Less than $110,000?
e. It is 68.3% likely that the employee’s salary will be between $___________ and $_____________. (Make your interval symmetric about the mean.)