Solve the following problems AND show your work. Only hand written answers will be excepted!

1. What are the volumes of m
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2. Mr. Bernard need to order boxes for his 16 inch diameter “super pizza.”

A. Why is the approximate circumference of the “super pizza? Use 3.14 for π. Do not run your answer!
Use the correct label. Show work.

B. What is the approximate area of the super pizza? Use 3.14 for π. Do not round your answer! Use the correct label. Show your work.

C. If he sellsthe pizza for $0.18 per square inch, what is the total cost of his pizza? Show your work.

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in: