Jack bought a scarf that costs 15 dollars and a hat that costs 22 dollars. At the counter, he received a discount. If he only paid 34 dollars total, how many dollars was the discount?

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

What point is the projection of q on a) r b) s c) t

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.