concerned group of citizens wanted to know if the proportion of armed robberies in Texas was different in 2011 than in 2010. Their research showed that of the 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: H0:p2010=p2011 H1:p2010p2011 H0:μ2010=μ2011 H1:μ2010>μ2011 b) Determine the test statistic. Round to two decimals.

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Q: In a study of 810 randomly selected medical malpractice lawsuits, it was found that 499 of them were…

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Q: In a study of 811 randomly selected medical malpractice lawsuits, it was found that 470 of them were…

A: Givenn=811x=470p^=xn=470811=0.5795α=0.01

Q: A concerned group of citizens wanted to know if the proportion of armed robberies in Texas was…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: In a study of 810 randomly selected medical malpractice lawsuits, it was found that 499 of them were…

A: We have to find p value.

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Q: In a study of 806 randomly selected medical malpractice lawsuits, it was found that 497 of them were…

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Q: In a study of 786 randomly selected medical malpractice lawsuits, it was found that 516 of them were…

A:

Q: In a study of 805 randomly selected medical malpractice lawsuits, it was found that 518 of them were…

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Q: Consider a sample of 54 football games, where 33 of them were won by the home team. Use a 0.10…

A: Correct option: Option B

Q: In a study of 783 randomly selected medical malpractice lawsuits, it was found that 489 of them were…

A: From the above data The option C is correct H0 : P = 0.5 H1 : P > 0.5