Did Clayton State Students gain weight, on average, during the COVID-19 quarantine? You wonder if the shelter-in-place orders in the Spring of 2020 led to people gaining weight. You take a random sample of 43 Clayton State students, and find an average weight of 168.9 pounds, with a standard deviation of 13.8 pounds. Suppose the average weight of Clayton State students in February 2020 was known to be 163.7 pounds. a) Should you use a z-test or a t-test? b) Why did you choose that test? c) State the null and alternate hypotheses for this test. (use 'p' for proportions and 'mu' for means) Ho: На:

Find the height for the following figure given that the area is 168in^2

An art museum owns a painting that it would like to reproduce in reduced size onto a 24-inch by-36-inch poster. The painting is 85 inches by 140 inches. Give your recommendation for the size of the reproduced painting on the poster- how wide and long do you suggest that it be? Draw a scale picture showing how you would position the reproduced painting on the poster. Explain your reasoning.