The table below shows the number of accidents, fatalities, hours flown, and miles flown for a country's airlines with scheduled service in selected years. Completeparts (a) and (b) below.YearAccidentsFatalitiesHoursFlown (millions)16.1Miles flown(billions)6.7200244842008282118.77.9201225117.47.7a. Compute the accident rate per million flight hours in 2002 and 2012. By this measure, has general aviation become safer?Select the correct choice below and fill in the answer boxes to complete your choice.(Round to the nearest tenth as needed.)accidents per million flight hours, is higher than the accident rate in 2012.OA. General aviation has become safer because the accident rate in 2002.accidents per million fight hours.accidents per million flight hours, is lower than the accident rate in 2012,B. General aviation has not become safer because the accident rate in 2002.accidents per million flight hours.

Given that The number of accidents in 2002=44 The number of Hours Flown in 2002=16.1. The number of…

Answered: parts (a) and (b) below the number of…

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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The total amount of consumer credit has been increasing steadily in recent years. The following table gives the total outstanding consumer credit (in billions of dollars). Answer parts (a) through (e) below Year 2004 2005 2006 2007 2008 Consumer Credit 2250.5 2303.8 2415.0 2517.9 2595.1 Year 2009 2010 2011 2012 2013 Consumer Credit 2551.5 2645.1 2757.0 2926 3 3099 2 a. Find an equation for the least squares line, letting x equal the number of years since 2000. The equation is Y=x (Use integers or decimals for any numbers in the equation Round to two decimal places as needed.)
Repair revenues from labor costs of the bicycle shop are given below: X 7.1 2.2 7.2 3.1 3.3 3.5 7.7 4.1 6.8 4.7 5.3 5.5 6.1 Y 3.9 1.7 3.7 1.5 2.2 1.4 4.9 2.5 4.5 3.4 2.3 3.6 3.2 Determine whether there is significant relationship at 0.05 level of significance Predict the value of Y if x are 2.7 and 1.5.
66. Doctoral Degrees Table 1.23 shows the number of doctoral degrees earned by Hispanic students for several years. Let x = 0 represent 1990, x = 1 represent 1991, and so forth. TABLE 1.23 Doctorates Earned by Hispanic Americans Year Number of Degrees 1990 780 2000 1305 2005 1824 2006 1882 2007 2035 Source: Statistical Abstract of the United States, 2010.
C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier immigrants to the United States. The change was attributed to the availability of better education in each region or country of origin. The percentage of immigrants 25 years of age and older who completed at least high school is reported in this table for 1970 to 2013. Write a statement describing the change over time in the percentage who completed at least a high school degree. 1970 1980 1990 2000 2013 Mexico 14 17 26 30 48 Other Central/South America 57 53 60 66 Asia 75 72 75 82 84 48 68 81 87 95 Europe 36 48 52 58 72 Caribbean 81 91 88 85 85 Africa Source: Pew Research Center, Modern Immigration Wave Brings 59 Million to U.S., Driving Population Growth and Change Through 2065, 2015. Retrieved from https://www.pewresearch.org/hispanic/2015/09/28/modern- immigration-wave-brings-59-million-to-u-s-driving-population-growth-and-change-through-2065/ 52
provide A and B both answer with explanation
Help me fast so that I will give Upvote.
Use the most accurate method to forecast the revenues of licenses, permits, and fees in Years 9, 10, and 11. Use the Year 8 actual figure instead of the forecast figure (Year 8 was $23,210,218). Also, consider three incremental changes in forecasting.
Step 3: Assess the Evidence (Calculate the test statistic for the observed sample mean. Sketch the T-distribution and identify the position of the observed test statistic. Shade the area that represents the P-value. Use the test statistic to find the P-value.)
5 Imagine that a company sells portable walkie-talkie radios to construction crews. The batteries for these radios last for an average of 55 hours. The purchasing manager for this company receives a brochure in the mail that advertises a new brand of batteries. This new brand of batteries is cheaper than the brand that the company currently uses. However, the purchasing manager is concerned that the cheaper batteries may have a shorter average battery life than the current brand. (Note: The number of hours that batteries last is called their battery life.) The pricing manager installs 40 randomly selected batteries of the cheaper brand in the company's walkie-talkie radios. He finds that the mean battery life for the sample is 52 hours, with a standard deviation of 10 hours. He wants to perform a statistical test at the 1% level of significance to determine whether the cheaper batteries have a shorter average battery life span than the average life span of the brand of batteries the…
3) Estimate the average number of years they stay at their current house for all citizens living in that area.
With aging, body fat increases and muscle mass declines. The line graphs show the percent body fat in adult females and males as they age from 25 to 75 years. Use this information to complete parts (a) through (c) below. a. Find an estimate for the percent body fat in 45-year-old females. % (Type a whole number.) Percent Body Fat 40 36- 32- 28- 24 20+ 15 Percent Body Fat in Adults 25 35 45 Age Females Males 55 65 75
II. Enumeration. 1. 5 Examples of Qualitative Data 2. 5 Examples of Quantitative Data 3. 5 Examples of Discrete Data 4. 5 Examples of Continuous Data

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