Hint 1 Hint 2
The hourly salary rate for accountants at the “We are the Best Accounting Firm” follow a normal distribution, with a mean of $27 and a standard deviation of $4.
Tom earns $22.50 an hour. His z score is:
Hint 1 Hint 2
The hourly salary rate for accountants at the “We are the Best Accounting Firm” follow a normal distribution, with a mean of $27 and a standard deviation of $4.
Tom earns $22.50 an hour. His z score is: