A midwestern university offers its employees three choices for health care: a clinic-based health maintenance organization (HMO), a preferred provider organization(PPO), and a traditional fee-for-service program (FFS). Each year, the university designates an open enrolment period during which employees may change from onehealth plan to another. Prior to the last open enrollment period, 25% of employees were enrolled in the HMO, 20% in the PPO, and the remainder in the FFS. Duringthe open enroliment period, 15% of employees in the HMO switched to the PPO and 5% switched to the FFS, 25% of the employees in the PPO switched fo the HMOand 10% to the FFS, and 30% of the employees in the FFS switched to the HMO and 35% switched to the PPO. Complete parts (A) through (C) below.(A) Write the transition matrix.HMOPPOFFSHMO752005PPO2565.10FFS303535(Type integers or decimals.)

GivenA mid western university offers its employees three choices for a health care1) A clinic based…

Answered: A midwestern university offers its…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Between 1971 and 1975, as part of the National Health and Nutrition Examination Survey (NHANES), 7,381 persons ages 40–77 years were enrolled in a follow-up study. At the time of enrollment, each study participant was classified as having or not having diabetes. During 1982–1984, enrollees were documented either to have died or were still alive. The results are summarized as follows. 1. Of the men enrolled in the NHANES follow-up study, calculate the ratio of non-diabetic to diabetic men. 2. Calculate the proportion of men in the NHANES follow-up study who were diabetics. 3. Calculate the proportion of deaths among men.
According to a New York Times/CBS poll, 76% agreed that it should be the government's responsibility to provide a decent standard of living for the elderly, and 35% agreed that it would be a good idea to invest part of their Social Security taxes on their own. What is the smallest percentage of people who could have agreed with both statements?
The owner of a small clothing store is concerned that only 28% of people who enter her store actually buy something. A marketing salesman suggests that she invest in a new line of celebrity mannequins (think Seth Rogan modeling the latest jeans...). He loans her several different "people" to scatter around the store for a two-week trial period. The owner carefully counts how many shoppers enter the store and how many buy something so that at the end of the trial she can decide if she'll purchase the mannequins. She'll buy the mannequins if there is evidence that the percentage of people that buy something increases. a) Write the owner's null and alternative hypotheses. b) In this context describe a Type I error and the impact such an error would have on the store. c) In this context describe a Type II error and the impact such an error would have on the store. d) Based on data that she collected during the trial period the store's owner found that a 98% confidence interval for the…
A salon owner estimates the number of clients she is expecting during the festive season to be 20% during Monday to Wednesday, 20% on Thursday and 60% over the weekend. She therefore hires additional staff to assist during the weekend to meet the client demand. She however only observes 30% during Monday to Wednesday, 20% on Thursday and 50% over the weekend in the first week of December. The salon owner is uncertain whether she should reduce the planned staff for the December festive period due the observed trend or not. She conducts a statistical test at α = 0.05 to determine if the observed trend fits the expected trend. Which of the following statements is true? A. The conclusion of the test is that she should not keep the additional staff for the weekend. B. The df for this test is 3. C. The p-value is greater than α. D. The null hypothesis is that the observed trend is different to the expected trend. E. The test statistic is χ2 = 5.33.
AMS communicates with customers who subscribe to cable television services through a special secured email system that sends messages about service changes, new features, and billing information to in-home digital set-top boxes for later display. To enhance customer service, the operations department established the business objective of reducing the amount of time to fully update each subscriber’s set of messages. The department selected two candidate messaging systems and conducted an experiment in which 30 andomly chosen cable subscribers were assigned one of the two systems (15 assigned to each system). Update times were measured, and the results are organized in Table AMS10.1. Email Interface1 4.13 3.75 3.93 3.74 3.36 3.85 3.26 3.73 4.06 3.33 3.96 3.57 3.13 3.68 3.63 Email Interface 2 3.71 3.89 4.22 4.57 4.24 3.90 4.09 4.05 4.07 3.80 4.36 4.38 3.49 3.57 4.74 1. Analyze the data in Table AMS10.1 and do a statistical test with hypothesis. Kindly discuss the reason you selected a…
On a particular night, a baseball stadium sells 60% of its seats, and of those, 15% do not end up showing up to the game. Assuming everyone present is sitting in a seat, what percentage of seats in the stadium are empty?
Urgent Care is organized in to 4 department: Registration (Reg), Waiting (Wait), Treatment (Treat), and Payment & Check Out (PCO). For all patients who receive treatment at the Urgent Care, the expected time (in minutes) per patient needed in each of the departments: Reg. Wait. Treatment PCO 10 15 30 3 or 2 All patients enter and register at the registration cubicle. After registering, 10% of the patients walk out without waiting and seeing the physician for treatment. However, still they have to walk through the PCO & return the admissions slip. These patients need only 2 min at PCO (instead of 3 min). No waiting and treatment time for patients who walk out. Simulate the total time spent in the Urgent care for the first patient. Total time spent by Patient 1 at the Urgent Care is . RN: 0.05 Hint: Need to check (simulate) whether a patient, after registering( 10 min), walks out or not. O 2 min O 12 min O 10 min O None of these
According to the Food and Nutrition Service of the U.S. Department of Agriculture, in one school year the National School Lunch Program (NSLP) served 31.2 million school lunches. Of these, 16.1 million were free lunches, 3.2 million were reduced price lunches, and 11.9 million were full price lunches. The federal government reimburses school districts $2.68 for each free lunch, $2.28 for each reduced-price lunch, and $0.25 for each paid lunch. In addition to cash reimbursements, schools are entitled to receive USDA foods called "entitlement" foods at a value of 19.50 cents for each lunch served. You are the administrator in charge of the school lunch program for your school district. Last month, the schools in your district served 29,000 free lunches, 16,000 "reduced-price" lunches, and 51,000 regular-priced lunches. (a)Calculate the amount of reimbursement (in $) you expect to receive from the NSLP for last month. (b) In addition to the lunch reimbursement, the NSLP program pays your…
Recent revenue shortfalls in a southern state led to a reduction in the state budget for higher education. To offset the reduction, the largest state university proposed a 20%20% tuition increase. It was determined that such a large increase was needed to simply compensate for lost support from the state. Random samples of 100 freshmen, 100 sophomores, 100 juniors, and 100 seniors from the university were asked whether they were strongly opposed to the increase, given that it was the minimum increase necessary to maintain the university’s budget at current levels. The results are given in the table. Strongly opposed Freshman Sophomore Junior Senior Yes 78 72 58 36 No 22 28 42 64 What is the contribution to the chi‑square statistic from the cell of strongly opposed juniors? = 0.1551 =3 =9 =0.1475
An insurance company offers four different deductible levels-none,low, medium, and high-for its homeowner's policyholders and threedifferent levels-low, medium, and high-for its automobilepolicyholders. The accompanying table gives proportions for the variouscategories of policyholders who have both types of insurance. Forexample, the proportion of individuals with both low homeowner'sdeductible and low auto deductible is .06 (6% of all such individuals). Homeowner's Auto N L M H LMH .04.07.02 .06.10.03 .05.20.15 .03.10.15 Suppose an individual having both types of policies is randomlyselected.a. What is the probability that the individual has a medium auto deductible and a high homeowner's deductible?b. What is the probability that the individual has a low autodeductible? A low homeowner's deductible?c. What is the probability that the individual is in the samecategory for both auto and homeowner's deductibles?d. Based on your answer in part (c), what is the probability…
Calculate the insurance company's objective risk using the following information: A health insurance company covers 5000 individuals. Out of these 5000 they expect 500 to be lost. Past data shows that in the past years losses were 288, 414, 230, 167

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