In a 2018 study, Phoenix Marketing International identified Bridgeport, Connecticut; San Jose, California; Washington, DC)and Lexington Park, Maryland, as the four U.S. cities with the highest percentage of millionaires (Kiplinger website).Consider a sample of data that show the following number of millionaires for samples of individuals from each of the four-cities.MillionaireYesNoBridgeport,CTBridgeport,CT46San Jose,CA36264Use Table 3 of Appendix B to find the p-value.The p-value is Select your answer -What is your conclusion?Select your answer -San Jose, Washington,CAD.C.454362a. What is the estimate of the percentage of millionaires in each of these cities (to 1 decimal)?cityWashington,D.C.D38Lexington Park,Lexington Park,MDMD34Percentage, %b. Using a = 0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities.What is the p-value?Compute the value of the x² test statistic (to 3 decimals).366that there is a difference among the population proportion of millionaires for these four cities.

Bridgeport, CTSan Jose, CAWashington, D.C.Lexington Park, MDYes46363834No454264362366

Answered: and Lexington Park, Maryland, as the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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B. A statistics professor administered an exam to three different classes. The 8:00 class had 20 students and an average score of 82.4. The 9:00 class had 24 students and an average of 78.9. The 29 students in the 10:00 class had an average of 87.3. Calculate the òverall average for all three classes combined.
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The Department of the Census provides the following data table. single married widowed divorced total Male .129 .298 .013 .040 .48 Female .305 .057 .054 .52 Total .233 .603 .070 .094 1.0 a) Fill in the missing word for each of the totals. (What is being totaled in each column/row?) b) Find P(Widowed and Male). = .013 c) Find P(Widowed)=.070 d) Find P(Married or Female). Write out the formula you use so I know that you know what you are doing. e) Find P(Widowed and Divorced). Explain your answer. f) Are Divorced and Male Mutually Exclusive events. Why or why not?

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