Question 1. JoJo Mobile sells data plans for cellphones. They sell Individual Plans as well as Family Plans. Marketanalysts 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:[0.70.2][0.3(a) Compute the vector P-¹(b) The vector P³3740650400600P =0.3 0.8and 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.

Compute the vector Given that,general formula to find the inverse of 2 by 2 matrix,Now apply this…

Answered: This information can be encoded into a…

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter6: Matrices And Determinants

Section: Chapter Questions

Problem 6P

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The data set hemorrhage.sav contains a sample of 100 low birth weight infants born in Boston, Massachusetts. Germinal matrix hemorrhage (gmh) is a dichotomos variable that coded as 1 if the baby had a hemorrhage and 0 if the baby did not have a hemorrhage. (See the attached image) You wish to know if gestational age, systolic blood pressure (sbp), and gender predicts hemorrhage. What are the null and alternative hypotheses for this analysis? (hint: there should be 4 sets) Is the model as a whole significant? How do you know? Regardless if the variables are significant interpret the odds ratio for gender, sbp, and gestational age.
The data set hemorrhage.sav contains a sample of 100 low birth weight infants born in Boston, Massachusetts. Germinal matrix hemorrhage (gmh) is a dichotomos variable that coded as 1 if the baby had a hemorrhage and 0 if the baby did not have a hemorrhage. You wish to know if head circumference, systolic blood pressure (sbp), and gender predicts hemorrhage. (See the attached Image) Determine the significance of the independent variables in the model, provide the test statistics and p-values to support your response.
The data set hemorrhage.sav contains a sample of 100 low birth weight infants born in Boston, Massachusetts. Germinal matrix hemorrhage (gmh) is a dichotomos variable that coded as 1 if the baby had a hemorrhage and 0 if the baby did not have a hemorrhage. You wish to know if head circumference, systolic blood pressure (sbp), and gender predicts hemorrhage. (See the attached Image) 1. What are the null and alternative hypotheses for this analysis? (hint: there should be 4 sets) 2. Is the model as a whole significant? How do you know?
How will marketers change their social media use in the near future? A survey by Social Media Examiner reported that 77% of B2B marketers (marketers that focus primarily on attracting businesses) plan to increase their use of LinkedIn, as compared to 54% of B2C marketers (marketers that primarily target consumers). The survey was based on 1,184 B2B marketers and 1,703 B2C marketers. The following table summarizes the results: Give an example of a simple Give an example of a joint What is the complement of a marketer who plans to increase use of LinkedIn? Why is a marketer who plans to increase use of LinkedIn and is a B2C marketer a joint event?
A car agency has offices in Phoenix, Denver and Chicago. The agency allows one- or two-way rentals so that cars rented in one location may end up in another. Statistics show that at the end of each week 70% of all rentals are twoway. As for the one-way rentals: from Phoenix, 40% go to Denver, and the rest to Chicago; from Denver, 60% go to Chicago and the rest to Phoenix; from Chicago, 40% go to Denver and the rest to Phoenix; (a) Express the situation as s Markov chain. (b) If the agency starts the week with 100 cars in each location, what will the distribution be like in two weeks (two-step transition probability matrix)? (c) If each location is designed to handle a maximum of 120 cars, would there be a long run space availability problem in any of the location?
Suppose we are recording the lap times of 20 runners in a race and the race is of 12 laps in the race. . The lap times are measurements and the runners are the features. What would be the shape of the data matrix? Select one: O a. 20 x 12 (20 rows and 12 columns). O b. 20 x 20 ( 20 rows and 20 columns) O C. 240 x 1 (240 rows and 1 column). O d. 12 x 20 (12 rows and 20 columns).
For the data in the following matrix: a. Which two means are compared to describe the treatment main effect? b. Which two means are compared to describe the gender main effect? c. Is there an interaction between gender and treatment? Explain your answer.

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