There are two computers you want to buy but each one has a different special deal first deal is $50 cashback with $more each referral you give. The second deals for 130$ cashback with no referral bonus. How many referrals do you need to give before the deal is better?

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?