Your family went out to dinner at applebee's and left the waiter an 18% tip. if the total before the tip for the dinner was $47.98 what should be paid to the waitress as a tip

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places