Jose is trying to decide how many friends he can invite to his roller skating party. skate rentals cost $2.50 per person, including jose, and he knows that 3 adult chaperones plan to skate.
how many friends can jose invite if he wants to spend only $50.00 total on skate rentals?
jose can invite
friends.

1. suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6. a. label the curve: show the mean and the value at each standard deviation: b. if angelica scored a 76 on the test, what is her z-score? (draw her score on the curve above and label) c. what percent of students did angelica score higher than? how can you tell? d. if 185 students took the test, how many students scored higher than angelica?