Write an equation of a line in point-slope form given the slope of the line is m = -1/2 and a point on the line is (-83 —12). hint: point-slope form is (y-y1)=m(x-x1)

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.