A concerned group of citizens wanted to know if theproportion of armed robberies in Texas was different in2011 than in 2010. Their research showed that of the113,231 violent crimes in Texas in 2010, 7,622 of themwere armed robberies. In 2011, 7,439 of the 104,873violent crimes were in the armed robbery category.Test at a 5% significance level.a) The null and alternative hypothesis would be:Ho:μ2010 = μ2011H1:/2010 < /2011Ho: p2010H1: P2010Ho: 2010H₁ 2010p=Ho: P2010H₁: P2010P20112 = -3.33P2011O Ho: P2010 = P2011H1: P2010P201120112011d) Make a decision.P2011O Ho: 2010/2011Ηι:μ2010 > μ2011b) Determine the test statistic. Round to two decimals.P2011c) Find the p-value and round to 4 decimals.Reject the null hypothesisO Fail to reject the null hypothesise) Write the conclusion.There is sufficient evidence to support the claimthat the proportion of armed robberies isdifferent in 2011 than 2010.There is not sufficient evidence to support theclaim that the proportion of armed robberies isdifferent in 2011 than 2010.

Answered: Image /qna-images/answer/06d31e7c-7f67-41a4-9907-62c3dbca5b92.jpg

113,231 violent crimes in Texas in 2010, 7,622 of them were armed robberies. In 2011, 7,439 of the 104,873 violent crimes were in the armed robbery category. Test at a 5% significance level. a) The null and alternative hypothesis would be: Ho: 2010 - 2011 H1:/2010 < #2011 O Ho: P2010 P2011 H₁: P2010 > P2011 Ho: 2010/2011 H₁ 2010 2011 Ho: P2010 = P2011 H₁: P2010 P2011 O Ho: P2010 H₁: P2010 P2011 P2011 2011 O Ho: 2010 H₁: 2010> 2011 -3.33 b) Determine the test statistic. Round to two decimals. c) Find the p-value and round to 4 decimals.

113,231 violent crimes in Texas in 2010, 7,622 of them were armed robberies. In 2011, 7,439 of the 104,873 violent crimes were in the armed robbery category. Test at a 5% significance level. a) The null and alternative hypothesis would be: Ho: 2010 - 2011 H1:/2010 < #2011 O Ho: P2010 P2011 H₁: P2010 > P2011 Ho: 2010/2011 H₁ 2010 2011 Ho: P2010 = P2011 H₁: P2010 P2011 O Ho: P2010 H₁: P2010 P2011 P2011 2011 O Ho: 2010 H₁: 2010> 2011 -3.33 b) Determine the test statistic. Round to two decimals. c) Find the p-value and round to 4 decimals.

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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