We want to test the fuel efficiency of a new car. The manufacturer claims the efficiency is 40 mpg. We measure the fuel efficiency of a random sample of 45 of the new cars. The mean mpg is found to be 32.7 and the standard deviation is 15 mpg. We set up a hypothesis test with:
Read DetailsThis is a file upload question. Please hand-write your solution in a piece of paper, take a picture and upload your file (or send to me through Canvas Inbox or at haruko.muratainouye@chaffey.edu as soon as you submit your exam). Typed answers will not be accepted! Blue-color shirt manufactures shirts for workers. The company fixed costs are $24 per day. Cost information for Blue-color Co. Quantity (Q) Variable Cost (VC) Fixed Cost (FC) Total Cost (TC) Average Variable Cost (AVC) Average Total Cost (AC) Marginal Cost (MC) 1 9 24 33 9 D E 2 21 B 10.5 22.5 12 3 38 62 C 20.67 17 4 A 84 15 21 22 Calculate A, B, C, D, and E by showing your work! Only writing the formulas used is not enough, you need to apply them! You won’t receive any credit if you don’t show your work! Suppose the company produces 4 shirts and sells each shirt for $21. Now answer the following: Calculate the company’s profit or loss by showing your work. By comparing price and average total cost, is the company earning a profit, breaking even, or having a loss? Justify your answer! Is the fourth unit produced adding to profit or reducing profits? Justify your answer using the concept learned on marginal cost.
Read Details