For a population, N = 14,000, μ = 110, and o 19. Find the z value for x = 128.60 for n = 36. Round your answer to three decimal places. Z = i
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- Use the information below to answer question 2x + 3y + 3z = 2 4x – 3y – 6z = 2 10x – 6y + 3z = 0 1. The determinant of the matrix is: A. -288 B. 144 C. -196 D. 306Oscar’s Bowling, Inc., wants to break into the Phoenix metropolitan market with one of its super-sized 200 lane, 24-hour bowling alleys. It, however, only has enough capital to build one facility. Oscar wants it to be centered by population, as determined by the center of gravity method. The following information is given: City Population x coordinate y coordinate Tempe Scottsdale Chandler Mesa Glendale 250,000 400,000 300,000 700,000 350,000 5 5 5 10 1 5 10 0 1 10 a. Where should Oscar build? b. If Oscar wanted to relocate to the closest city near his new facility, where would he live?1a. Use the graph below to write a linear model to approximate the population of Bangladesh. (Do not put all of the places in your equations for large numbers, instead, define your variables using “thousands” or “millions” or “billions.” show work.) b. Now, give your equation with clear variable definitions here. c. Use your model to predict the 2050 population of Bangladesh.
- Find the optimal solution to this linear programming problem. (Round your answers to three decimal places.) Max 2X + 3Y s.t. 4X + 9Y ≤ 71 10X + 11Y ≤ 111 17X − 9Y ≤ 152 X, Y ≥ 0 (X, Y) =Oscar's Bowling, Inc., wants to break into the Phoenix metropolitan market with one of its super-sized 200 lane, 24-hour bowling alleys. It, however, only has enough capital to build one facility. Oscar wants it to be centered by population, as determined by the center of gravity method. The following information is given: City Population x coordinate y coordinate Tempe 275,000 5 5 Scottsdale 415,000 5 10 Chandler 310,000 5 0 Mesa 660,000 10 1 Glendale 335,000 1 10 a. Where should Oscar build? Oscar should build at an x coordinate of nothing and a y coordinate of nothing. b. If Oscar wanted to relocate to the closest city near his new facility, where would he live? (Enter your responses rounded to one decimal place.)Use the information below to answer question 2x + 3y + 3z = 2 4x – 3y – 6z = 2 10x – 6y + 3z = 0 1. Given values – 144, -192, and 96 for Dx, Dy, and Dz respectively and D = 144. Then the solution to the system for x, y and z are: A. -1, -1.33, and 0.67 B. -0.47, -0.63 and 0,30 C. 0.5, 0.67 and-0.33 D. 0.73, 0.98 and -0.49
- Compare the variability of expenditure of families in two town as given below: Expenditure (Rupees) Number of Families Town A Town B 3000-4000 4 6 4100-5000 65 52 5100-6000 138 140 6100-7000 130 122 7100-8000 32 60 8100-9000 7 2Use the information below to answer question 2x + 3y + 3z = 2 4x – 3y – 6z = 2 10x – 6y + 3z = 0 1. The co-factor for the first element in the coefficient matrix for this system is: A. -27 B. -45 C. 27 D. 45The construction manager for Acme Construction, Inc., must decide whether to build single-family homes, apartments, or condominiums. He estimates annual profits (in $000) will vary with the population trend as follows: Type POPULATION TREND Declining Stable Growing Single Family 200 90 70 Apartments 70 170 90 Condos (20 ) 100 220 If he feels the chances of declining, stable, and growing population trends are 40 percent, 50 percent, and 10 percent, respectively, what is his expected value of perfect information?
- The Walgreen chain prefers to operate one outlet in a town that has four major market segments. The number of potential customers in each segment along with the coordinates are as follows: Find the best location using the Center of Gravity Excel template. Market Segment Location Coordinates Number of Customers x y 1 4 15 3300 2 10 13 900 3 5 2 1250 4 9 6 3500Dr. Lillian Fok, a New Orleans psychologist, specializes in treating patients who are agoraphobic (i.e., afraid to leave their homes). The following table indicates how many patients Dr. Fok has seen each year for the past 10 years. It also indicates what the robbery rate was in New Orleans during the same year: Year 1 2 3 4 5 6 7 8 9 10 Number of Patients 35 33 40 40 42 55 62 54 59 61 Robbery Rate per 1,000 Population 58.0 61.1 73.0 76.1 78.5 89.5 99.6 95.4 103.2 115.6 Part 2 The simple linear regression equation that shows the best relationship between the number of patients and the robbery rate is (round your responses to three decimal places): y = enter your response here + enter…Dr. Lillian Fok, a New Orleans psychologist, specializes in treating patients who are agoraphobic (i.e., afraid to leave their homes). The following table indicates how many patients Dr. Fok has seen each year for the past 10 years. It also indicates what the robbery rate was in New Orleans during the same year: Year 1 2 3 4 5 6 7 8 9 10 Number of Patients 36 34 39 40 42 54 62 53 57 62 Robbery Rate per 1,000 Population 58.3 60.6 73.0 75.2 78.5 88.6 99.6 94.2 102.2 117.2 a) The simple linear regression equation that shows the best relationship between the number of patients and year is (round your responses to three decimal places): Ý=_____+_____x where Ý= Dependent Variable and x =…