The national bank of Poland supplied the following data on loan approvals by four loanofficers:Loan OfficerMikeJohnAnnaDavidLoan Approval DecisionApproved28173515Rejected16131514Use a 10% and test to determine whether the loan approval is independent of the loanofficer reviewing the loan application.

The null and alternative hypothesis isNull hypothesis (H0): The loan approval is independent of the…

Answered: The national bank of Poland supplied…

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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In an attempt to asses total daily travel taxes in various cities, the Global Business Travel Association conducted a study of daily travel taxes on lodging, rental cars, and meals
In a survey, respondents were asked to disclose their political affiliation (Democrat, Independent, Republican) and also answer the question "Would you be willing to pay higher taxes if the tax revenue went directly toward deficit reduction?" Create a contingency table and determine whether the results suggest there is an association between political affiliation and willingness to pay higher taxes to directly reduce the federal debt. Use the a= 0.05 level of significance. Click the icon to view the results of the survey. Construct a contingency table. Democrat Independent Republican Willing to pay higher taxes? Yes. No 9 7 6 3 11 14
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?
A social worker in South Phoenix delivered an intervention on financial literacy. The program is six weeks long (one hour per week). She collected pre and post- test surveys in order to determine if participants’ knowledge on financial literacy increased due their involvement in the program. Review the table below and answer the following questions. Table 1. Financial literacy intervention change from pre to post test M SD t p Financial Literacy Knowledge 5.04 .001 Pre test 7.25 1.78 Post test 8.42 1.20 1. Was a dependent or independent t-test used to analyze the data? How do you know?
After post-graduate study, Mike found a job as HR analyst in London. Thecompany is currently recruiting Chief Marketing Officer. The HR departmentrecently sent out a knowledge test to the applicants after the initial CVscreening. At this stage of selection, the company does not invite the lowestscoring 30% (the opposite is the highest 70%.) back for the next face-to-faceinterview. According to the historical data, the test scores on this test arenormally distributed and has a mean of 70 with standard deviation of 10. a.What mark (to the nearest whole number) must a candidate achieve inorder to secure an interview? Show your workings.b. Explain the characteristics of standard normal distribution and normaldistribution, respectively.
Based solely on the information given, do you have reason to question the results of the following hypothetical study? Explain your reasoning. A study by a conservative foundation is designed to assess a new Democratic spending plan.
I need help with part B-1 of this question.
Chapter 5 In preparation for your discussion post, complete the following: • Research data on the U.S. uninsured population (https://aspe.hhs.gov/sites/default/files/private/pdf/265041/trends-in-the-us- uninsured.pdf B). • Choose one condition for your discussion post about an uninsured group. (For example, In 2019, 22% of Latine individuals under age 65 were uninsured, Figure 4 p.6). For your discussion board post include all of the following: 1. Suppose six individuals, within your criteria, are randomly selected. Show or explain your thinking for each problem. (Note: This is a binomial probability from Section 5.2, they either have insurance or they do not.) A. Let having insurance be a success. State the values of your p, q, and n for your chosen condition. Explain your thinking. (For my example, if 22% do not have insurance, then that is my q (failure) value, my p=0.78, q=0.22, n-6 (6 individuals are randomly selected in this problem). B. Use excel or a T184 to determine the…
State Sales Tax Rate* Alabama Alaska Arizona 4% 0% Hawaii Idaho 6.6% Illinois Florida Georgia Arkansas California 7.25% Iowa Colorado 6% Indiana 4% Massachusetts 6.25% 6% Michigan 6% Minnesota 61% 7% Mississippi 6% Missouri Montana 2.9% Kansas 6.3% Connecticut 6% Kentucky 6% Delaware 0% Louisiana 4% 6% Maine 4% Maryland 5% 6% Nebraska Nevada New Hampshire New Jersey 6.875% 7% 4.225% 0% 5.5% 6.85% 0% New Mexico New York North Dakota North Carolina 5.75% Ohio Oklahoma Oregon Pennsylvania Rhode Island 5.125% 7% South Carolina 4% 5% 5.5% 4.5% 0% 6% 7% 6% South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming 4% 7% 6.25% 4.7% 6% 4% 6.5% 6% 5% 4%
A hospital wants to estimate the percentage of admitted patients who receive Medicare benefits. If we want to estimate that percentage based on examination of randomly selected patient payment records, how many patient records must be examined in order to be 90% confident that we are within four percentage points of the population percentage?

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