Question 10 Not yet answered Marked out of 1.00 i7 Flag question A book shop business was bought with a 20% down payment of R177 175.00. The remainder of the amount was financed for 240 months at 9.4% interest per annum, compounded semi-annually. Find the size of the semester payments for the loan. 0 a. 6310.10 0 b. 11 885.70 I o c. 39 619.00 o d. 49 523.75 Question 17 Not yet answered Marked out of 1.00 i7 Flag question Peter makes equal monthly deposits at the end of each month for the next four years to gather an amount of R330 284.00. He start after one month with savings accumulating interest at 12.5% per annum, compounded monthly. The monthly deposit amount is o a. 200 346.13 0 b. 63 602.60 0 c. 8 773.95 0 d. 5 333.49 - The best estimate of the standard deviation of the remuneration of the engineers, rounded to two decimal places, is o a. R 835 47747 O b. R 828 485.90 0 0. R2 250 000.00 0 d. R2 366 666.67 The mean waiting time per table for Saturday and Sunday evening, rounded to the nearest second, is O a. 1680 o b. 1560 O c. 1860 Q d. 1620 Question 15 Not yet answered Marked out of 1.00 i7 Flag question Determine the total interest amount Pretty will pay if she buy a TV directly from the manufacturer for R7 332.00 and agrees to repay it in equal instalments over three years at the end of each month, starting one month from now. The interest rate is 10.7% per year, compounded monthly. 0 a. 8 604.00 0 b.'l 272.00 0 c. 784.52 0 d. 239.00 2. Compare the median number of packages delivered for all vehicles on Monday and Fnday. Last week the median number of packages delivered 0 a. 1. by the small truck was 263.20 and by the large truck was 331.80. 2. on Monday was 189.25 and on Friday was 205.25. 0 b' 1. by the large truck was 339 and by the small truck was 288. 2. on Monday was 184 and on Friday was 198. O C- 1, by the small truck was 86 and by the large truck was 143. 2. on Monday was 198 and on Fri- was 184. Question 16 Not yet answered Marked out of 1.00 Flag question The profit (in Rand) for producing m number of numeracy books is given by the function P(x) = 3m- + 4m + 15. The number of books that should be sold to maximize the profit is given by which of the following options? O a. 10 O b. 60 O c. 6 O d. 4\fA quality-control exercise was carried out by an electrical company for estimating the percentage of defective LED light bulbs in a large shipment of one-thousand boxes with one-hundred bulbs in each box. Twenty boxes were chosen at random, and every bulb in them checked. The number of defective bulbs in each of the boxes are: 8, 10, 4, 3, 11, 6, 9, 10, 2, 7, 6, 12, 9, 1] Choose the CORRECT statement. 0 a. The variable is the one-thousand boxes of LED light bulbs. O b. The sample unit is one-hundred defective LED bulbs. O c. The sample is the twenty boxes of defective LED light bulbs that were selected. 0 d. The population is the product of one- thousand boxes and one-hundred bulbs. Question 18 Not yet answered Marked out of 1.00 t7 Flag question The following data represent the prices (in rand) of seven vehicles at a dealer: The mean price of these vehicles is R222 142. Calculate the mean price for the vehicles that have prices at most the mean price. Then the amount by which the mean price per vehicle dropsr rounded to the nearest rand, is O a. 25 479 O b. 33 328 O c. 87 275 - o d. 196 663 Question 20 Not yet answered Marked out of 1.00 F Flag question The following pie-chart shows the percentage distribution of the expenses incurred in publishing a new coffee table book: \fQuestion 11 Not yet answered Marked out of 1.00 Flag question A manufacturing company have determined that the total revenue, R(x), from producing energy- efficient air conditioning units is given by the function R(x) = x3 - 10x2 + 35x + 1000. The cost, C(x), to produce x units is given by the function C(x) = 250 000 + 16x2. The marginal profit function when x units are produced and sold is given by which of the following options?Question 7 Not yet answered Marked out of 1.00 i7 Flag question Three workers on the same job showed the following results over a long period of time: \"-- nun Question 3 Answer saved Marked out of 1.00 Flag question There are 47 000 first year qualifying applicants in one university. The number of BSc degree applicants is 14 700 and the number of BCom degree applicants is 32 300. The university intends to accept only 25 500 students. The number of BSc degree students that should be accepted is calculated as O a. 22 300 37 000 X 1 800 O b. 32 300 22 500 X 47 000 O c. 22 500 47 000 X 32 300 O d. 32 300 47 000 X 22 500Question 2 Not yet answered Marked out of 1.00 V Flag question The revenue (in Rand) from selling 2 bottles of water is given by the function R(z) = 2022 + 5002 The marginal revenue from selling 2 bottles of water is R140. Determine z . Oa.10 Ob. 9 06.11 0d. 8 I Question 9 Not yet answered Marked out of 1.00 V Flag question The frequency distribution of the total remunerations, in millions of Rands per year, of a sample of engineering company personnel in South Africa is given in the following table: - 2-0 - 2-5 2-5 - 3-0 3.5 - 4.0 .I 4.0-4.5 Question 13 Not yet answered Marked out of 1.00 Flag question Mr and Mrs Jones calculates the amount of money they will need in order to live comfortably upon their retirement with their financial advisor. They expect a 20-year retirement period. How much should Mr and Mrs Jones deposit now in a bank account paying 7.5% interest per year, compounded yearly to be able to withdraw an amount of R480 700.00 at the end of each year, starting one year from now? O a. 20 816 560.32 O b. 4 900 492.00 O c. 1201 750.00 O d. 2 041 942.02Question 19 Not yet answered Marked out of 1.00 27 Flag question Mr Koketso own a jazz bar and has a concern about the waiting time of his customers before being served over the weekends. He decide to gather raw data on the waiting times, to the nearest second, of 20 tables on Saturday evening and 15 tables on Sunday evening. It The total waiting time for the 15 tables on Sunday evening is seven hours and three quarters of an hour. II The average waiting time on Saturday evening is 1 440 seconds per table. Question 4 Not yet answered Marked out of 1.00 t7 Flag question Khumo takes out a personal loan of R439 200.00 to help finance the building of his holiday house. The terms of his home loan specify equal three-monthly repayments over five yearsr with 13.2% interest per annum, compounded quarterly. The initial payment is made three months after the loan was taken out. Considering the amortisation schedule, determine the total interest charged over the first year of repayments. O a. 54 766.00 0 b. 66 618.00 0 c. 167 720.00 - o d. 12 871.85 Question 12 Not yet answered Marked out of 1.00 F Flag question Jonathan obtained his degree and started his own consulting company in January of 2010. At the end of each month he began saving R2 480.00 in his account and requested the bank to quarterly debit three month sum of his exact savings towards his individual retirement account for a total period of ten years. The retirement account earned interest at 11% per annum, compounded quarterly. The amount that was available to him after ten years in the retirement account is o a. R1614466.15. o b. R 179141.07. - Oc. R 22021.46. o d. R 530 235.00. \f0d. 1. 2. by the large truck was 288 and by the small truck was 339. on Monday was 273.50 and on Friday was 314.50. Calculate the coefficient of variation of the time that each worker required to complete the job. The worker that appears to be more stable in the time he required to complete the job 0 a. is Themba. O b. is Gift. 0 c. is Reneiloe. Q d. can only be determined if more information is provided. The printing company offers a discount of 3% for printing more than a thousand copies. If 1 250 copies of the book are published, and shipping them amounts to R52 500.00. What should the selling price of a single book be so that the publisher can earn a profit of 25%? o a. 366.00 0 b. 300.00 0 c. 298.61 0 d. 223.95 Question 6 Not yet answered Marked out of 1.00 V Flag question You are the owner of The Dependable Delivery Service. Your company has four vehicles, a large and a small van and a large and a small truck. The following set of data represents the number of packages delivered last week: "MM \"HI\" "m WEE Answer the following questions: ! '|. Compare the median number of packag delivered last week for each truck. Question 5 Not yet answered Marked out of 1.00 V Flag question The following are the ages (in years) of 50 people: The table that represents the correct frequencies for the data is \fQuestion 14 Not yet answered Marked out of 1.00 V Flag question The derivative of the following function: 0a.f'(x)= 2 + 5 +% 3x_2 4x3 0 bf'f) = 2x3 +53:2 +% 0c.f'(x)= 2 5 + 3x4 ix5 0 d.f'(x) = 6x2 +10x +% l 2 Question 8 Not yet answered Marked out of 1.00 i7 Flag question The weekly amount (in ten thousands of Rands) of loss due to power cable theft experienced by different wards in XYZmunicipality during the winter season are recorded and summarised by the following stem-and-leaf diagram below