Need help answering and showing the work so I can look at how to do it 65.12711,A A三PasteBIUA1fx Online Trailer Views (millions)1Online Traller Views (millions)BOpening Weekend Box Office Gross ($millions)DEF7.3446.81.47120.368102.30965.12735.28633.28620.3120.3193.36119.1083.3616.80843.89919.10814.689101110.1881233.29110.07829.3641321.7441414.9812.791153.09854.47316145.5696.886179.1913.5871810.27713.9332 8092.8091.291191.7232.809206.9042.0964.881212.956229.237231.1585.394240.95930.082597.4692.3337.371261.93815.916279.73215.2482852.74553.558296.1086.6233033.35120.095314.9287.5543215.20116.4523359.00342.4523480.598173.326354.842.2953633.01357.3816.567373.4643844.21286.473394.9894.69406.6333.377410.9423.705422.2581.5134311.32718.47448.96612.2024.35730.4364515.1774613.7144731.23153.0034852.61246.6074916.23513.0033.77618.223506.8845111.6982.8273.4715213.6025323.07540.0115412.6061.385550.82620.135627.5363.404577.2731.2073.3235810.951594.2678.3443.796011.6147.5976113.50112.912625.1067.067631.9855.026422.87.7396513.68916.795662.087.64367Ready A box office analyst seeks to predict opening weekend box office gross for movies. Toward this goal, the analyst plans to useonline trailer views as a predictor. For each of the 66 movies, the number of online trailer views from the release of the trailerthrough the Saturday before a movie opens and the opening weekend box office gross (in millions of dollars) are collectedand stored in the accompanying table. Complete parts (a) through (e) below.Click the icon to view the data on online trailer views and opening weekend box office gross....a. Construct a scatter plot. Choose the correct graph below.A.В.D.100-200-100-200-0-404100200100200Trailer Views (mil)Trailer Views (mil)Opening Gross ($mil)Opening Gross ($mil)b. Assuming a linear relationship, use the least-squares method to determine the regression coefficients bo and b,.bo- 0.77%3Db1= 1.40(Round the value of bo to two decimal places as needed. Round the value of b, to three decimal places as needed.)

Trailer views Box office gross 7.344 20.368 81.471 102.309 35.286 65.127 20.31 19.108…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Calculate the point prevalence for Alzheimer’s disease among individuals 65 years of age or older in a county that has 200,000 individuals who are 65 years of age or older, if 22,223 individuals who are 65 years of age or older have the disease. 0.0111 0.1111 0.8889 0.9889
17) scatterplot
72% of Americans said that they plan to travel in 2021, and 9% of those who plan to travelintend to take an international trip. What percentage of Americans plan to take aninternational trip in 2021?
Date DJIA S&P 500 January 6 12,360 1,278 January 13 12,422 1,289 January 20 12,720 1,287 January 27 12,660 1,234 February 3 12,862 1,267 February 10 12,801 1,243 February 17 12,950 1,262 February 24 12,983 1,313 March 2 12,978 1,255 March 9 12,922 1,371 March 16 13,233 1,404 March 23 13,081 1,397 March 30 13,212 1,408 April 5 13,060 1,398 April 13 12,850 1,370
Assume that a recent survey suggests that about 79% of adults have heard of the brand. n=
According to the Department of Motor Vehicles (DMV), the entity in charge ofprovidingdrivinglicensesintheUnitedStates,itisillegaltodrivewithabloodalcoholcontentof0.08%ormoreif you are 21 or older. In the DMV’s guidelines to determine when a person is driving under the inﬂuence, itisindicatedthatfewer than ﬁve percent of the population weighing 100 pounds will exceed the 0.33 alcohol level. Assume this is accurate. If the Highway Patrol stops in a random day 200 unrelated cars where the individual weighs one hundred pounds, on a Friday night, what is the probability that six percent of more individuals stopped exceeds that 0.33 alcohol level?
The Los Angeles City Controller's office calculated that in 2013, the city employed 4703047030 full‑time employees and 1014210142 part‑time employees. Assume that an outside advocacy group had been lobbying the Mayor's office to convert part‑time workers into full‑time workers throughout 2014. The Controller's office makes its calculations annually. Suppose that the outside advocacy group wanted to know the proportion of city employees (excluding per‑event employees) who are full‑time employees ?p in June 2014 to gauge if their lobbying efforts had been effective. Suppose that the group surveyed a random sample of 1000 city employees (excluding per‑event employees) in June 2014 and found that 845845 were full‑time employees and 155155 were part‑time employees. If the advocacy group planned to use a one‑sample z-z-test for a proportion to test their lobbying eforts, the appropriate null hypothesis would be and the appropriate alternative hypothesis would be Assume…
#9;review ch7
Suppose the average monthly residential natural gas bill in a certain town is $67.95. How is the average monthly gas bill for a home in this town related to the square footage, number of rooms, and age of the home? The following tables shows the average monthly gas bill over the past year, square footage, number of rooms, and age for a sample of 20 homes. Average Monthly GasBill for Last Year Age SquareFootage Rooms $70.20 16 2,537 6 $81.33 2 3,457 8 $45.86 27 976 6 $59.21 12 1,713 7 $117.88 16 3,979 10 $55.78 2 1,328 7 $47.01 27 1,251 6 $52.89 4 827 5 $32.90 12 645 4 $67.04 29 2,849 5 $76.76 1 2,372 7 $60.40 26 900 6 $44.07 14 1,386 5 $28.68 20 1,299 4 $62.70 17 1,441 6 $45.37 13 542 4 $38.09 10 2,140 4 $45.31 22 908 6 $52.45 25 1,568 5 $94.11 27 1,140 10 (a) Develop an estimated regression equation that can be used to predict a residence's average monthly gas bill for last year given its age. (Use x1 for age. Round your numerical values…
According to the Pew Research Center,on the propotion of the American population who use only a cellular telephone (landline) is 0.37. Jason conducts a survey of one hundred fifty 20 to 24 year olds who live on their own and finds that 73 do not have a landline to their home. Does this provide sufficient evidence to conclude that the proportion of 20 to 24 year olds who live on their own and don't have a landline is greater than 0.37? Use a=0.10 level of significance. A) Verify that nP0(1-P0)>10 and n< 0.05N (Assume the population sizes is N=40 million) B) State the appropiate null and alternative hypotheses. C) Indicate whether the hypothesis is left, right, or two- tailed.
According to the Pew Research Center,on the propotion of the American population who use only a cellular telephone (landline) is 0.37. Jason conducts a survey of one hundred fifty 20 to 24 year olds who live on their own and finds that 73 do not have a landline to their home. Does this provide sufficient evidence to conclude that the proportion of 20 to 24 year olds who live on their own and don't have a landline is greater than 0.37? Use a=0.10 level of significance. D) Compute the test statistic z0. Round to the nearest hundredth. E) Draw a normal model with the area that represents the P-value shaded. F) Determine and interpret the P-value. What is the conclusion of the hypothesis test?

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