5.-/6 points0/30 Submissions UsedE My NotesThe weekly revenue from the sale of rubies at Royal Ruby Retailers (RRR)is increasing at a rate of $50 per $1 increase in price, and the price isdecreasing at a rate of $0.50 per additional ruby sold.You are given thatdRdpanddpdqWhat is the marginal revenue? HINT [See Example 5.]State the units of measurement.additional rubies sold per dollardollars per additional ruby soldadditional rubies sold per weekly revenueweekly revenue per additional ruby soldInterpret the result.The revenue isat a rate of $per additional ruby sold.--Select---

Revenue is increasing at rate of $50 per 1$ increase in price. Price is decreasing at rate of 0.50$…

Answered: 5. -/6 points 0/30 Submissions Used E…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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5. What does an r = 0 mean when x denotes distance and y stands for acceleration? A. There is no systematic relation between distance and acceleration at all. B. The points (xi, yi) are in a perfect straight line just like in plot A or B. C. When distance travelled increases, the acceleration also increases. D. The slope of y versus x plot is always positive. 6. A/n ______ is the difference between an observation yij and its estimated value from the statistical model being studied and contains information about unexplained variability. A. Residual B. Mean C. variance D. incremental effect
1.Plot the data points in a graph with inflation rate on the vertical axis and unemployment rate on the horizontal axis. 2.What patterns do you see in the data? (relationship between inflation and Unemployment) 3.Can you determine the natural rate of unemployment from the data or from the graph?
B 7. ECONOMY Gasoline prices occasionally fluctuate during a two -month period of time. Prices increased 34 cents per gallon daring the month of April and decreased 17 cents per gation during the month of May. Which situation has the greater absolute vafue? Explain
Using the data in test yourself question 1, if the price of X to consumers is $9, and the government imposes a tax of $2 per unit, show that because suppliers get only $7, they will produce only 85 units of output, not the 95 units of output they would produce if they received the full $9 per unit. ( side note ) I am unsure of what I need to show, if I draw a graph with the supply line changing with that data it matches the demand line of the original data. or do I need to create a new chart with new data?
ase Problem: Foot Locker As a sales analyst for the shoe retailer Foot Locker, one of your responsibilities is measuring store productivity and then reporting your conclusion back to management. Foot Locker uses sales per square foot as a measure of store productivity. While preparing your report for the second quarter results (Q2), you are able to determine that annual sales for last year ran at a rate of $406 per square foot. Therefore, $406 per square foot will be your sales estimate for the population of all Foot Locker stores during Q2. For your Q2 Sales Report, you decide to take a random sample of 64 stores. Using annual data from last year, you are able to determine that the standard deviation for sales per square foot for all 3,400 stores was $80. Therefore $80 per square foot will be your population standard deviation when compiling your Q2 report. For your random sample of 64 stores and using the population standard deviation of $80, you are able to calculate…
44. The slope coefficient estimate b from a regression of profits on sales of a number of firms in the coal industry is 0.075. How should you interpret this coefficient?a) Average profit in the coal industry is 7.5%.b) If a firm in the coal industry were to increase its sales by $1, its profits would rise on average by $0.075.c) If a firm has 1 more dollar in sales than another firm in the coal industry, it will have 7.5 more cents in profit on average.d) Average profit in the coal industry is .75%.e) If a firm in the coal industry were to increase its sales by $1, its profits would rise on average by $0.0075.45. A regression’s equation is given as: Q = 5 – 3P, which means that:a) a 3% increase in Price will decrease Quantity by 1%b) a 1% increase in Price will increase Quantity by 3%c) a 1% increase in Price will decrease Quantity by 3%d) a 3% increase in Quantity will decrease Price by 1%
Alcohol-Related Traffic Accidents As a consequence of increasingly rigid rules aimed at decreasing the number of alcohol-related traffic accidents in a particular state, initial data shows that the number of such accidents has changed at a rate of R(t) = -18 - te0.2t accidents/month t months after the rules took effect. There were 2040 alcohol-related accidents for the year prior to the rules' implementation. Choose how many alcohol-related accidents were anticipated in the first year the rules were in effect.
- The management has decided to hire a new marketing director. Based on the table given and the prices staying the same, the volume of sales and the revenue show a decreasing trend. -The interview process requires the candidate to design a plan that will increase the revenue for the following year during the first 3 months. Each monthly revenue should increase by $1,000. The price for each type of fruit should not be increased by more than one dollar. One candidate offers the option to increase the sales amounts in hundreds to the values below. Is this an acceptable opyion? Will the candidate get the job? Sales in Hundreds April May June Stawberries 9 8 6 Apples 10 9 8 Pineapples 6 9 5 Monthly revenue in hundreds
-select your answers choices- a. p-value between 0.005 and 0.01 between 0.01 and 0.02 between 0.02 and 0.05 between 0.05 and 0.1 between 0.1 and 0.2 greater than 0.2 Conclusion There is a significant relationship between price and overall score There is no significant relationship between price and overall score b. p-value less than 0.01 between 0.01 and 0.025 between 0.025 and 0.05 between 0.05 and 0.1 greater than 0.1 Conclusion Because is p-value is (greater than or equal to, less than or equal to, equal to) 0.05, we (accept, reject) H0: B1 (greater than or equal to zero, less than or equal to zero, equal to zero)
Using the data above, find the main effect of coffee consumption. 1) Provide the marginal means for those who drank coffee and those who did not, and 2) describe the effect of drinking coffee on trips to the bathroom A researcher wants to know how the time that one stops drinking water (before 6pm, after 6pm), plus the beverages they consume during the day (coffee, no coffee), influences the number of times participants wake up in the middle of the night to pee. Using the data below, find the main effect of time that one stops drinking water. Using the data above, find the main effect of coffee consumption. 1) Provide the marginal means for those who drank coffee and those who did not, and 2) describe the effect of drinking coffee on trips to the bathroom. 3. Is there an interaction effect between time that one stops drinking water and coffee consumption on trips to the bathroom? The critical difference (CD) for the interaction effect is 0.5. Coffee No Coffee Before 6 PM…
Commute Time (minutes), Well- Being Index Score, y choice 5 20 25 35 60 72 105 69.1 67.7 67.1 66.4 64.7 64.7 61.8 A. For every unit increase in commute timethe index score falls by on average (Round to three decimal places as needed.) B For a commute time of zero minutes the index score is predicted to be (Round to three decimal places as needed ) C For an index score of zero the commute time is predicted to be minutes (Round to three decimal places as needed ) D. For every unit increase in index score the commute time falls by on average (Round to three decimal places as needed is not appropriate to interpret the slope
d) Prepare the scatter diagram and insert the trendline or line of best-fit. Use a scale of 2 cm to represent 1,000 units on the x-axis & 2 cm to represent $50,000 on the yaxis.e) Using the line of best-fit, determine the company’s fixed cost per month and the variable cost per unit. (Use 0 & 5,000 units.)f) Which of the two methods appear more appropriate? Explain your answer

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