Ellle wanted to order candy online company a is offering 2 1/2 pounds of chocolate for $32.50,while company b is offering 2 1/2 ponds of the same chocolate for $35.00 which company is offering the lower price per pound

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.