The concession stand at a ballpark so nachos for x dollars per order and french fries for y dollars per order the mosley family bought four orders of nachos and one order of french fries the ancelet family but five orders of nachos a. write an expression to represent the total cost of the nachos in french fries for both families

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.