14) A reporter claims that less than one in four Americans believe that Facebook acted inappropriately withtheir collection of users data. A survey asked, "Do you believe Facebook acted inappropriately with theircollection of users data?" The sample of 1280 survey respondents resulted in 300 saying they believedFacebook acted inappropriately.a) Test the reporter's claim at a level of significance of a =.10.b) Given the same situation, explain the conclusion if a = .05.

Given: Sample size, n is 1280 The number of respondents believed that Facebook act inappropriately,…

Answered: 14) A reporter claims that less than…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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Similar questions

What is meant by the sample space of an experiment?
US Universities found that 72% of people are concerned about the possibility that their personal records could be stolen over the internet. If a random sample of 300 college students at a Midwestern university were taken and 228 of them were concerned about the possibility that their personal records could be stolen over the Internet, could you conclude at the 0.025 level of significance that a higher proportion of the university’s college students are concerned about Internet theft than the public at large? Report the p-value for this test. Z0.025 = 1.96
2. Is there a difference in the proportion of individuals with food allergiesbetween young children and adults? A survey finds that 62 among a simplerandom sample of 350 young children have some food allergy, comparedwith 26 out of 250 adults. e. Based on a 5% significance level, what conclusion should be made?
A researcher finds that of 1000 people who said that they attend a religious service at least once a week, 31 stopped to help a person with car trouble. Of 1200 people interviewed who had not attended a religious service at least once a month, 22 stopped to help a person with car trouble. At the 0.05 significance level, test the claim that the two proportions are equal.
According to a certain government agency for a large country, the proportion of fatal traffic accidents in the country in which the driver had a positive blood alcohol concentration (BAC) is 0.33.Suppose a random sample of 109 traffic fatalities in a certain region results in 47that involved a positive BAC. Does the sample evidence suggest that the region has a higher proportion of traffic fatalities involving a positive BAC than the country at the α=0.05 level of significance?

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