Jan's All You Can Eat Restaurant charges $9.00 per customer to eat at the restaurant. Restaurant management finds that its expense percustomer, based on how much the customer eats and the expense oflabor, has a distribution that is skewed to the right with a mean of $8.10 and a standard deviation of $3.

Find the probability that the restaurant makes a profit thatday, with the sample mean expense being less than $9.00.