Find pk + 1for the given pk: pk = 2k2

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.

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

What is the perimeter of a rectangle if the length is 5 and the width is x?