If P = (2,-1), find the image of P under the following rotation. 270° counterclockwise about the origin ([?], [ ]) Enter the numher that helongr in
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- Jamie has just completed her second semester in college. She earned a grade of D in her 2-hour calculus course, a grade of A in her 5-hour government course, a grade of C in her 4-hour chemistry course, and a grade of C in her 1-hour creative writing course. Assuming that A equals 4 points, B equals 3 points, C equals 2 points, D equals 1 point, and F is worth no points, determine Jamie's grade-point average for the semester. Jamie's grade point average is (Round to two decimal places as needed.)The question and answers are in the screenshot.The answer provided for question B is not correct. I attempted to submit using that answer and the system told me the answer was not correct.
- A researcher is interested in whether people who enjoy fine wine can actually tell the difference between a highly rated expensive wine and a good inexpensive wine. She selects several bottles of a highly rated cabernet sauvignon (a red wine) costing over $100 per bottle and several bottles of a good cabernet sauvignon costing $12. Subjects will taste a glass of wine without knowing whether it is the expensive or inexpensive wine. This is the treatment. They will then be asked to estimate how much the wine cost. This is the response variable. Outline a completely randomized design to compare the cost estimates for the two treatments. Twenty subjects are available. Group 1 Treatment 1 10 subjects expensive wine Compare Price estimate Random assignment Treatment 2 A Grouo 2 10 subjects inexpensive wine Group 1 10 subjects - expensive wine Random assignment Compare price estimates Group 2 10 subjects - inexpensive wine Treatment 1 Group 1 20 subjects expensive wine Compare Price estimate…Lin Xiang, a young banker has moved office. She has recently been promoted and made the manager of City Bank a newly established bank in Exeter. Her previous job was with the same bank in their Torquay office. After a few weeks she has discovered that maintaining the correct number of bank tellers seems to be more difficult than it was when she was a branch assistant at the Torquay office. Some days the lines are very long, but on other days they are very short and the bank tellers seem to have little to do. She wonders if the number of customers at her new branch is simply more variable than the number of customers at the branch where she used to work. She collects the following data on the number of daily transactions from her branch and the branch where she used to work: Exeter branch : 156, 278, 134, 202, 236, 198, 187, 199, 143, 165, 223 Torquay branch: 345, 332, 309, 367, 388, 312, 355, 363, 381 Perform Fischers F-Test to see if the variation in the Exeter…Patty has just completed her second semester in college. She earned a grade of B in her 5-hour topology course, a grade of B in her 1-hour sociology course, a grade of D in her 3-hour biology course, and a grade of F in her 1-hour speech writing course. Assuming that A equals 4 points, B equals 3 points, C equals 2 points, D equals 1 point, and F is worth no points, determine Patty's grade-point average for the semester. Patty's grade point average is (Round to two decimal places as needed.) Question Help v Enter your answer in the answer box. O Type here to search 耳心 A 7:26 PM 12/2021 Panasonic CF-54 TOUGHBOOK COSS-4852 TEWMO TOOA Scroll Lock Pause Break F10 F11 F12 PrtSc Num Lock F4 F5 F6 F7 F9 F1 F2 F3 88 SysRa Esc Back space Home 23 %24 %3D 7 0 8 8 2 A2 3\ 1 A1 Par R T 4 5 Tab Enter H 13 田 D F 2
- Two chemists working for a chicken fast food company, have been producing a very popular sauce. Let’s call then Jesse and Mr. White. Gus, their boss, is tired of Mr. White’s negative attitude and is thinking about firing (if you have watched Breaking Bad you understand the euphemism!) him and keeping only Jesse on payroll. The problem, however, is that Mr. White seems to produce a higher quality sauce whenever he is in charge of production if compared to Jesse. Before making a final decision, Gus collected some data measuring the quality of different batches of sauce produced by Mr. White and Jesse. The results, measured on a quality scale, are listed below: Average Std. deviation sample size Mr. White 97 1 7 Jesse 94 3 10 Anything above 90 in this quality scale is considered good. What is the probability Jesse produces a batch with quality above 90?The Fore and Aft Marina is located on the Ohio River near Madison, Indiana. Fore and Aft currently operates a docking facility where only one boat at a time can stop for gas and servicing. The manager of the Fore and Aft Marina wants to investigate the possibility of enlarging the docking facility so that two boats can stop for gas and servicing simultaneously. Assume that the arrival rate is 3 boats per hour and that the service rate for each server is 9 boats per hour. (Round your answers to four decimal places.) (a) What is the probability that the boat dock will be idle? (b) What is the average number of boats that will be waiting for service? (c) What is the average time (in hours) a boat will spend waiting for service? h (d) What is the average time (in hours) a boat will spend at the dock? h (e) If customers expect to be able to be in and out of the marina within 10 minutes on average, does this system provide acceptable service? ---Select--- V since the average time a boat will…Jamie has just completed her second semester in college. She earned a grade of A in her 1-hour linear algebra course, a grade of C in her 5-hour psychology course, a grade of D in her 1-hour biology course, and a grade of A in her 4-hour creative writing course. Assuming that A equals 4 points, B equals 3 points, C equals 2 points, D equals 1 point, and F is worth no points, determine Jamie's grade-point average for the semester.
- You are an analyst for a consumer products company. You run a survey of 1000 customers and find that 80% of customers use gel packs for laundry detergent (the rest use liquid or powder) and 40% of customers use gel packs for their dishwasher detergent (the rest use liquid or powder). You also learn that twice as many customers use laundry detergent than dishwasher detergent and that this relationship is independent of gel pack or other types of products (liquid or powder).Mr. Villamor was asked by his principal, Mrs. Mina, to transfer his Grade 9 class to a new classroom in the second floor. The room however still does not have fixtures such as altar table, blackboard, bookshelf, bulletin board, learning stations, platform, teacher's table and whiteboard. To help him acquire these fixtures, he went to the Carpentry Shop of the school and found wood, plywood, nails, paints and many others. After all the materials have been gathered, he asked his friends, local amateur furniture designers, to make designs of the different classroom needs. The designs shall be used by the carpenter in constructing the altar table, blackboard, bookshelf, bulletin board, learning stations, platform, teacher's table and whiteboard. It must be accurate, presentable and appropriate. 1. Suppose you are one of the friends of Mr. Villamor. As a furniture designer, how will you prepare the design of one of the fixtures? 2. Make a design of the fixture assigned to you. 3. Illustrate…You are thinking of making your home more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs and insulating part or all of your exterior walls. Each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† Your home has 50 light fittings and 1,200 square feet of uninsulated exterior wall. You can spend no more than $1,300 and would like to save as much per year in energy costs as possible. How many compact fluorescent light bulbs and how many square feet of insulation should you purchase? (If an answer does not exist, enter DNE.) compact fluorescent light bulbs bulbs insulation sq ft How much will you save in energy costs per year?