An ornithologist is studying a population of female starlings as it changes each year. They are assuming thefollowing things about this bird population:Juvenile starlings (0-1 year)Does not lay eggs60% survive to 2nd yearSubadult starlings (1-2 years)Has 2 female offspring each70% survive to 3rd yearFind the Leslie matrix A for this population of starlings.A =Adult starlings (2-3 years)Has 3 female offspring eachNone survive to 4th year

Leslie matrix is a square matrix referred as a population projection matrix. This is of the form…

Answered: An ornithologist is studying a…

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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Use a graphing calculator to find A¹, if it exists. A= A. 7 8 7 B 8 8 9 -1 -1 -1 Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A1 = (Type an integer or a decimal for each matrix element.) B. The matrix A¹ does not exist.
Exchange Rates The table below gives the exchangerates from U.S. dollars to euros and Japanese yen forthe years 2000 and 2015.a. Assuming the fee for exchanging dollars to theseunits reduces the national currency returned perU.S. dollar by 5%, place the data in a matrix anduse a matrix operation to find the currency unitsactually returned per dollar. b. Which of these two currencies has increased invalue during this period?
Question 1. JoJo Mobile sells data plans for cellphones. They sell Individual Plans as well as Family Plans. Market analysts at JoJo Mobile have noticed that customers tend to switch between the two plans each year. . Among the customers with an individual plan, 30% switch to a family plan the next year. . Among the customers with a family plan, 20% switch to an individual plan in the next year. This information can be encoded into a 2 x 2 matrix, as follows: [0.7 0.2] [0.3 (a) Compute the vector P-¹ (b) The vector P³ 3 740 650 400 600 P = 0.3 0.8 and give a physical interpretation of what this vector represents. and give a physical interpretation of what this vector represents. (c) An eigenvector for P with eigenvalue λ = 1, and give a physical interpretation of what this vector represents. (d) An eigenvector for P with eigenvalue > < 1. Explain why the eigenvector does not have a physical interpretation.
Given the Leslie matrix below, what is the population size after 2 timesteps given the starting population size of J= 10, T=10, A=100? Round to nearest whole number. J T A J 0.5 0.5 3.0 T 0.2 0 A O 0.2 0 O a. J=162; T=62; A=1 O b. J=10; T=10; A=100 O c. J=200; T=25; A=5 O d. J=310; T=2; A=3
This item has three questions. The matrix represents the results (means) from a 2 x 2 factorial study. One mean is not given. A represents one factor and B represents the other factor. A1 A2 B1 40 20 B2 30 What value for the missing mean would result in no main effect for factor A? Explain. What value for the missing mean would result in no main effect for factor B? Explain. What value for the missing mean would result in no interaction?Explain.
A restaurant has a main location and a traveling food truck. The first matrix A shows the number of managers and associates employed. The second matrix B shows the average annual cost of salary and benefits (in thousands of dollars). Complete parts (a) through (c) below. Restaurant Food Truck AB= 891 98 183 20 Managers Associates 5 29 1 6 [ (Simplify your answer.) FA Managers Associates Salary Benefits 39 24 8 82 2 = B (b) Explain what AB represents. Choose the correct answer below. O A. Row 1 of AB represents the restaurant and row 2 represents the food truck. Column 1 of AB represents total benefits (in thousands) and column 2 represents total salary (in thousands) for all employees. B. Row 1 of AB represents the restaurant and row 2 represents the food truck. Column 1 of AB represents total salary (in thousands) and column 2 represents total benefits (in thousands) for all employees. O C. Row 1 of AB represents the food truck and row 2 represents the restaurant. Column 1 of AB…
1. Secret Code. A list of numbers can be changed into an image if we know what size matrix to use. What is this list of numbers saying? Rules: (a) use a 4 x 25 matrix. (b) Enter entries in order filing one row at a time (c) entering values from left to right. 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1 What is the secret code? Create a secret code of your own using 1's and 0 on a 4 x 25 matrix. Then display the code on this layout:
The table below shows salaries for full time teachers at a school district based on their education level and experience. Masters $43,979 $46,940 $49,901 Bachelors Experience <5 yrs 5-10 yrs $42,304 $45, 265 $48,226 10+ yrs The District Office wonders whether it makes more financial sense to give a 1% salary increase or a flat $300 salary increase for all employees. Complete the matrix that shows the difference between the percentage and flat rate raises. (Round to the nearest whole number)
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