7. A researcher reviewing various cellular phone services surveyed 200 customers andasked each one to rank four service providers in order of preference. The group'sresults are shown below. Using the Borda count method, which provider is thefavorite of these customers?RANKINGSMART41GLOBESUN44TALK N TEXTNo. of votes:2632472556352.4,1.3.3.2.4)2.2.3.4.2.1.3.2.1.3.1.3.

# total number of votes is 221 as against 200 customers surveyed(assuming one customer can vote more…

Answered: 7. A researcher reviewing various…

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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The results of a recent poll on the preference of shoppers regarding two products are shown below. The standard error of is Product Shoppers Surveyed Shoppers FavoringThis Product A 800 560 B 900 612 .025. .68. .0225. .044.
Minnesota had the highest turnout rate of any state for the 2016 presidential election.† Political analysts wonder if turnout in rural Minnesota was higher than turnout in the urban areas of the state. A sample shows that 639 of 852 registered voters from rural Minnesota voted in the 2016 presidential election, while 378 out of 525 registered voters from urban Minnesota voted. (a) What is the proportion of sampled registered voters in rural Minnesota that voted in the 2016 presidential election? (b) What is the proportion of sampled registered voters in urban Minnesota that voted in the 2016 presidential election? (c) At ? = 0.05, test the political analysts' hypothesis. i.Calculate the test statistic. (Round your answer to two decimal places.) ii. What is the p-value? (Round your answer to four decimal places.)p-value =
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