Given U =Z, C={y|-4sys-l, yeZ} and D={y|-7sys0, y eZ}
help find the set of c and d

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

1: 4 if the wew 35 surfboards at the beach how many were short boards?