An electronics retailer list the sales (in thousands) of certain products in three cities for the prior quarter.During that period tablets sold for $243, laptops sold for $763, cell phones sold for $158, and DVR sold for$661.City 1City 2City 3Tablets786842Laptop Computers533034Cell Phones546761Personal DVR664148City 1's total sales :thousand dollarsCity 2's total sales :thousand dollarsCity 3's total sales :thousand dollars

Price of tablet = $243 Price of laptop computers = $763 Price of Cell phone = $ 158 Price of DVR =…

Answered: An electronics retailer list the sales…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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table below and assume a population of 314 million. How much greater is the risk of death from Alzheimer's disease than the risk of death from diabetes? Leading causes of death in a certain country in a recent year Cause Deaths Cause Deaths Heart disease 596,700 Alzheimer's disease 84,800 Cancer 575,100 Diabetes 73,300 Chronic respiratory diseases 143,100 Pneumonia/Influenza 53,200 Stroke 128,700 Kidney disease 45,600 Accidents 122,600 Suicide 38,100 The risk of death from Alzheimer's disease is about enter your response here times greater than risk of death from diabetes.
An article in the Archives of Internal Medicine reported that in a sample of 224 men, 73 had elevated total cholesterol levels (more than 200 milligrams per deciliter). In a sample of 232 women, 44 had elevated cholesterol levels. Can you conclude that the proportion of people with elevated cholesterol levels differs betwen men and women? Use the a= 0.05 level.
Cricket’s is a popular club for students from the nearby college. The club had 840 customers during Labor Day weekend. If 487 of those customers were under 26 years of age, find the percent under 26.
An assortment of coins contains 14 pennies, 16 nickels, 9 dimes, and 11 quarters. To three significant figures, calculate the percentage of coins that have a face value of $0.05 or less.
Express all answers as decimals rounded to 3 decimal places, if needed. Express percentages as decimals (instead of 25.6%, use .256) Cell phone users in Boise can choose between three carriers: Sprint, AT&T, and Verizon. Advertising by all three companies results in a continual shift of customers. Each year, Sprint loses 30% of customers to AT&T and 30% to Verizon. AT&T loses 20% to Sprint and 10% to Verizon. Verizon loses 25% to Sprint and 25% to AT&T. Currently, Sprint has 25% of the market, AT&T has 35%, and Verizon has 40%. Use the order Sprint (S), AT&T (A), Verizon (V) throughout this assignment. 1. State the probability vector: 2. Create the transition matrix, labeling rows and columns, and draw the transition diagram. Create your matrix with the rows ordered S, A, and V, and columns ordered S, A, and V. 3. Assume that for 5 years this trend continues. State the transition matrix after 5 years. 4. What is the market share for each company after 5 years? Sprint: AT&T: Verizon: 5.…
A researcher believed that the number of rental cars in service by a car rental company would have an impact on the total annual revenue for that car rental company. Five small car rental companies were surveyed, with the number of Cars in service recorded in units of 1000 (so if a car rental company had 54000 cars in service, a 54 would be recorded) and Annual Revenue measured in millions of dollars (so an Annual Revenue of $10,000,000 would be recorded as 10). The data follows: Cars (1000s) Annual Revenue ($ millions)11.5 118 10.0 135 9.0 100 5.5 37 3.3 32 Part of the Excel-generated Simple Linear Regression output is provided below: ANOVA df SS MS F Significance F Regression 1 7891.863897 7891.863897 22.91180151 0.017339231 Residual 3 1033.336103 344.4453677 Total 4 8925.2…
The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Predict the total sales after 28 months. O A. $78,750 B. $78,850 O C. $78,720 O D. $78,792
Suppose a math class contains 40 students. There are 18 females (two of whom speak Spanish) and 22 males (two of whom speak Spanish). Give all answers as decimals to at least two decimal places. What percent of Spanish speaking students are male? Give answer as a decimal.
The following table shows the square footage of houses in an area that sold recently along with the selling price. Sq. Ft. Price 2096, 295000, 3160, 338000, 2320, 265000, 3150, 365000, 2760, 330000, 3650, 412000, 2125, 320000, 3085, 342000, 4750, 485000, 2100, 320000, 3100, 316000, 2240, 321000, 3300, 347000, 2800, 350000, 2825, 330000, 3275, 420000 1. Find the equation of the regression line (line of best fit). 2. Determine if there is a strong linear correlation. 3. If there is a strong linear correlation predict the selling price of a 3333 sq. ft. home
A Life Insurance Company founded upon the Indian Experience Table has a thousand policies averaging $ 2,000 on lives at age 25. From the experience table, it is found that of 89,032 alive at age 25: 88,000 are alive at age 26. Find the upper and lower values of the amount that the company will have to pay out in insurance during the year.
suppose 15 percent of the computers in some university labs are defective
The box plots below show how fast cars are travelling at a specific time of a day on highway I-5 and l-405 in King county. Fill in the blank. I-405 I-5 45 50 55 60 65 70 75 Speed (miles per hour) If Jay is driving at the median speed on l-5, he is driving faster than % of drivers on l-405.

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