The gomez family drove to the beach for a vacation. they drove 3.25 hours at an average speed of 44 miles per hour. then they drove 1.25 hours at an average speed of 54 miles per hour. finally they averaged 32 miles per hour for 2 hours before arriving at the beach. how far did the gomez family drive?

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.