Ch. 13 You may need to use the appropriate technology to answer this question.Social networking is becoming more and more popular around the world. A survey was conducted of adults in several countries todetermine the percentage of adults who use social networking sites. Assume that the results for surveys in Great Britain, Israel,Russia, and the United States are as follows.Use SocialNetworking SitesState the null and alternative hypotheses.O Ho: Not all population proportions are equal.Ha: PGBPPR-PusYesHo: PGB = PI PR = Pus=H₂: Not all population proportions are equal.P₁ =PRPus"NoO Ho: All population proportions are not equal.H₂: PGBPL PRPUS=OHg: PGBPL-PR PUSH₂: All population proportions are not equal.GreatBritain (GB)360440GB vs. I(a) Conduct a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all fourcountries.Comparison P₁-PGB vs. RGB vs. USIsrael (1)I vs. RWhat is the p-value? (Round your answer to four decimal places.)p-value=I vs. USR vs. USFind the value of the test statistic. (Round your answer to three decimal places.)275Country225Using a 0.05 level of significance, what is your conclusion?O Do not reject Ho. We cannot conclude that not all population proportions are equal.O Reject Ho. We cannot conclude that not all population proportions are equal.O Reject Ho. We conclude that not all population proportions are equal.O Do not reject Ho. We conclude that not all population proportions are equal.Russia (R)(b) What are the sample proportions of people who use social networking sites for each of the four countries?PGB =315385Which country has the largest proportion of adults using social networking sites?O Great BritainO IsraelO RussiaO United StatesCV✔Great Britain vs. United States✔Israel vs. Russia✔Israel vs. United StatesRussia vs. United States(c) Using a 0.05 level of significance, conduct multiple pairwise comparison tests among the four countries. (Round youranswers for the critical values to four decimal places.)UnitedStates (US)520480Which comparisons show a significant difference? (Select all that apply.)Great Britain vs. Israel✔Great Britain vs. Russia✓

Given data, Country Use social networking sites Great Britain (GB) Israel (I) Russia…

You may need to use the appropriate technology to answer this question. Social networking is becoming more and more popular around the world. A survey was conducted of adults in several countries to determine the percentage of adults who use social networking sites. Assume that the results for surveys in Great Britain, Israel, Russia, and the United States are as follows. Use Social Networking Sites Yes State the null and alternative hypotheses. OH: Not all population proportions are equal. H₂: PGB PPR-Pus No O Ho: PGBP = PR - PUS H.: Not all population proportions are equal. Pus O Ho: All population proportions are not equal. Ha: Pan PPR-Pus OHg: PGB-PL-PR PUS H: All population proportions are not equal. Great Britain (GB) 360 440 (a) Conduct a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all four countries. Russia O United States GB vs. I Comparison P₁-P GB vs. R United Israel (1) Russia (R) States (US) GB vs. US What is the p-value? (Round your answer to four decimal places.) p-value= I vs. R Find the value of the test statistic. (Round your answer to three decimal places.) I vs. US R vs. US 275 Using a 0.05 level of significance, what is your conclusion? O Do not reject Hg. We cannot conclude that not all population proportions are equal. O Reject Ho. We cannot conclude that not all population proportions are equal. O Reject Ho. We conclude that not all population proportions are equal. O Do not reject Hg. We conclude that not all population proportions are equal. Country 225 (b) What are the sample proportions of people who use social networking sites for each of the four countries? PGB- P₁ = PR = 315 Which country has the largest proportion of adults using social networking sites? O Great Britain O Israel 385 (c) Using a 0.05 level of significance, conduct multiple pairwise comparison tests among the four countries. (Round your answers for the critical values to four decimal places.) CV 520 480 Which comparisons show a significant difference? (Select all that apply.) Great Britain vs. Israel Great Britain vs. Russia Great Britain vs. United States Israel vs. Russia Israel vs. United States O Russia vs. United States

You may need to use the appropriate technology to answer this question. Social networking is becoming more and more popular around the world. A survey was conducted of adults in several countries to determine the percentage of adults who use social networking sites. Assume that the results for surveys in Great Britain, Israel, Russia, and the United States are as follows. Use Social Networking Sites Yes State the null and alternative hypotheses. OH: Not all population proportions are equal. H₂: PGB PPR-Pus No O Ho: PGBP = PR - PUS H.: Not all population proportions are equal. Pus O Ho: All population proportions are not equal. Ha: Pan PPR-Pus OHg: PGB-PL-PR PUS H: All population proportions are not equal. Great Britain (GB) 360 440 (a) Conduct a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all four countries. Russia O United States GB vs. I Comparison P₁-P GB vs. R United Israel (1) Russia (R) States (US) GB vs. US What is the p-value? (Round your answer to four decimal places.) p-value= I vs. R Find the value of the test statistic. (Round your answer to three decimal places.) I vs. US R vs. US 275 Using a 0.05 level of significance, what is your conclusion? O Do not reject Hg. We cannot conclude that not all population proportions are equal. O Reject Ho. We cannot conclude that not all population proportions are equal. O Reject Ho. We conclude that not all population proportions are equal. O Do not reject Hg. We conclude that not all population proportions are equal. Country 225 (b) What are the sample proportions of people who use social networking sites for each of the four countries? PGB- P₁ = PR = 315 Which country has the largest proportion of adults using social networking sites? O Great Britain O Israel 385 (c) Using a 0.05 level of significance, conduct multiple pairwise comparison tests among the four countries. (Round your answers for the critical values to four decimal places.) CV 520 480 Which comparisons show a significant difference? (Select all that apply.) Great Britain vs. Israel Great Britain vs. Russia Great Britain vs. United States Israel vs. Russia Israel vs. United States O Russia vs. United States

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 8SGR

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