|(Billions of US dollars) 2021 559.151 2020 523.964 2019 514.405 2018 500.343 2017 485.873 2016 482.130 2015 485.651 2014 476.294 2013 468.651 2012 446.509 2011 421.849 2010 408.085 2009 404.254 2008 377.023 2007 348.368 2006 312.101 2005 284.310 Apply linear regression to the data in the table to find a model y = mx + b, where y is Walmart's annual revenue in billions of US dollars, and x is the number years since 2000.
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linear 3
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please answer this in what year?
Use the model found above to answer this question.
The value x= 20 should be used in the model to predict the revenue of Walmart in what year?
- Find the positive geometric mean between 4 and 64.Year Consumer price index 2001 0.9576707944 2001 1.043445267 2001 0.1314307172 2001 -0.2812675892 2002 0.3572771719 2002 1.086752857 2002 0.4263206673 2002 0.3137689184 2003 1.011959522 2003 0.364298725 2003 0.4900181488 2003 0.01806032147 2004 0.9028530155 2004 1.431639227 2004 0.352858151 2004 0.5977496484 2005 0.6291506466 2005 1.337269885 2005 1.216795201 2005 0.5079580088 2006 0.539083558 2006 1.692359249 2006 0.5602240896 2006 -0.8520399803 2007 1.019170385 2007 1.917329089 2007 0.2759287112 2007 1.711214555 2008 1.136773642 2008 2.195344656 2008 1.163055346 2008 -2.828529429 2009 -0.497633075 2009 1.060302337 2009 0.6790719816 2009 0.2011885888 2010 0.4014150536 2010 0.4750721517 2010 0.09325049836 2010 0.2949163207 2011 1.264822375 2011 1.743310892 2011 0.4085179843 2011 -0.1520557705 2012 0.7956386559 2012 0.8275317381 2012 0.219328148 2012 0.03604046954 2013 0.5903298758 2013…A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant. Historical records show that 6% of the employees suffered lost-time accidents last year. Management believes that a special safety program will reduce such accidents to 5% during the current year. In addition, it estimates that 15% of employees who had lost-timeaccidents last year will experience a lost-time accident during the current year. a. What percentage of the employees will experience lost-time accidents in both years?b. What percentage of the employees will suffer at least one lost-time accident over the two-year period?
- A manufacturer of exercise equipment knows that 15% of their products aredefective. They also know that only 35% of their customers will actually use the equipment in the first year after it is purchased. If there is a one-year warranty on the equipment, what proportion of the customers will actually make a valid warranty claim?The average remaining lifetimes for women of various ages in a certain country are given in the following table.In May 2008, CNN reported that Sports Utility Vehicles (SUVs) are plunging toward the "endangered list". Due to soaring oil prices and environmental concerns, consumers are replacing gas-guzzling vehicles with fuel-efficientsmaller cars. As a result, there has been a big drop in the demand for new as well as used SUVs. A sales manager of a used car dealership for SUVs believes that it takes more than 90 days, on average, to sell an sUV. In order to test his claim, he samples 40 recently sold SUVs and find that it took an average of 95 days to sell an SUV. He believes that the population standard deviation is fairly stable at 20 days. Determine if the sales manager's claim is justifiable at 0.05
- Following are the quantities and prices for the years 2010 and 2018 for Kinzua Valley Geriatrics. Use 2010 as the base period. 2010 2018ItemPriceQuantity PriceQuantitySyringes (dozen)$6.94 1,332 $6.18 1,957 Thermometers 8.32 5 16.38 15 Advil (bottle) 4.69 283 8.89 295 Patient record forms (box) 6.19 924 9.82 1,027 Copier paper (box) 10.48 55 25.96 81 %media:2excel.ext% Click here for the Excel Data File a. Determine the simple price indexes. (Round your answers to 2 decimal places.) b. Determine the simple aggregate price index for the two years. (Round your answer to 2 decimal places.) c. Determine the Laspeyres price index. (Round your answer to 2 decimal places.) d. Determine the Paasche price index. (Round your answer to 2 decimal places.) e. Determine Fisher's ideal index. (Round your answer to 2 decimal places.).Acompanysellinglicensesofnewe-commercesoftwareadvertisedthatfirmsusingthissoftware could obtain, on average during the first year, a minimum yield (in cost savings) of 20 percent on average on their software investment. To disprove the claim, we checked with 10 different firms which used the software. These firms reported the following cost-saving yields (in percent) during the first year of their operations: {17.0, 19.2, 21.5, 18.6, 22.1, 14.9, 18.4, 20.1, 19.4, 18.9}. Do we have significant evidence to show that the software company’s claim of a minimum of 20 percent in cost savings was not valid? Test using α = 0.05. Compute a 95% confidence interval for the average cost-saving yield estimate.An electronics retailer is developing a model for insur-ance policies on new cell phone purchases. It estimates that 60% of customers never make a claim, 25% of cus-tomers require a small repair costing an average of $50, and 15% of customers request a full refund costing $200.What is the long-term average cost the retailer shouldexpect to pay to its customers per claim?
- Date DJIA S&P 500 Day 1 35405.24 4536.54 Day 2 35629.33 4579.38 Day 3 35111.16 4467.44 Day 4 35089.74 4510.53 Day 5 35091.13 4493.87 Day 6 35462.78 4511.54 Day 7 35768.06 4577.18 Day 8 35241.59 4514.08 Day 9 34738.06 4408.64 Day 10 34566.17 4411.67 Day 11 34988.84 4461.07 Day 12 34934.27 4485.01 Day 13 34312.03 4390.26 Day 14 34079.18 4358.87 Day 15 33596.61 4314.76 Day 16 33131.76 4235.50 Day 17 33223.83 4278.70 Day 18 34058.75 4394.65 Day 19 33892.60 4363.94 Day 20 33294.95 4316.26 Day 21 33891.35 4396.54 Day 22 33794.66 4353.49 Day 23 33614.80 4318.87 Day 24 32817.38 4211.09 Day 25 32632.64 4180.70 Day 26 33286.25 4287.88 Day 27 33174.07 4249.52 Day 28 32944.19 4194.31 Day 29 32945.24 4183.11 Day 30 33544.34 4252.45 Day 31 34063.10 4367.86 Day 32 34480.76 4421.67 Day 33 34754.93 4473.12 Day 34 34552.99 4471.18 Day 35 34807.46 4521.61 Day 36 34358.50 4466.24 Day 37 34707.94 4510.16 Day 38 34861.24 4553.06…In a geographical location with a mid-year population of 1,000,000 (1 million) there were 1125 deaths during an entire year due to all causes combined.Out of those 1125 deaths, 185 deaths were due to causes related to pregnancy and 165 deaths were among children less than one-year old. There were 650 live births that year in that location. Please select the correct option(s) from the following. a. The maternal mortality ratio was 25 per 100 live births b. Infant mortality was 17 per 100,000live births c. The infant mortality was 254 per 1,000 live births d. The maternal mortality was 285 per 1,000 live birthsMale Female27,329 22,49814,596 24,5893,890 5,06827,315 16,72525,067 10,3808,480 16,57219,490 10,75516,334 19,12228,183 11,82721,356 18,61212,674 15,73210,066 11,42311,288 17,79220,679 24,76719,722 6,359369 19,57118,284 21,81211,653 19,68618,981 18,29415,412 13,48515,839 31,24320,391 9,4316,069 16,1216,072 4,22624,527 12,6649,492 20,22511,618 14,59813,916 22,04613,081 20,08517,460 11,13913,491 35,7097,630 8,54121,263 9,82216,455 12,38511,590 28,05515,409 19,22816,827 16,21710,596 17,72618,005 20,00612,428 16,58313,727 19,8574,706 14,49917,168 17,97412,641 17,22015,661 28,75616,855 38,40718,490 25,78537,993 33,38319,196 25,06447,688 30,26225,062 18,14310,357 7,59515,653 23,8969,962 16,4425,377 16,53619,537 26,129