On a recent survey, 60% of those surveyed indicated that they preferred hamburgers over pizza.

if 540 people preferred hamburgers, how many people preferred pizza?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

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?

Amovie theater owner determined that about 2 out of every 5 customers purchases popcorn. which simulation could be used to answer questions about customers purchasing popcorn?