In general, 25% of all foreclosures are purchased by banks. We think that the percentage is different from this foreclosures which are purchased by property investors. We conducted our own survey (n=200) and found that 36% of foreclosures were purchased by investors. Conduct a hypothesis test to determine if the population mean is different. Use = 0.01. Based on your test statistic, do you reject or fail to reject the null hypothesis?Fail to reject H0 Reject H0 In general, 45% of all cases are acquitted. We think that the percentage is different from this for corruption cases. We conducted our own survey (n=51) and found that 72% of corruption cases were acquitted. Conduct a hypothesis test to determine if the population mean is different. Use = 0.05. What is your test statistic? 3.01 2.76 3.88 3.96 One survey asked respondents \"Do you agree that police officers should carry Conducted Electrical Devices, like Tasers?\" About 78% (p = 0.78) of respondents agreed. We think that the population proportion is higher than 0.78. We conducted our own survey (n=101) and found that 85% of respondents agreed with the above question. Conduct a hypothesis test to determine if the population mean is actually higher than 0.78. Use = 0.05. What is your test statistic? 1.7 8 1.9 7 1.7 0 2.0 1 For the table below, what is the expected frequency for Yes Demoted and Pretty Happy? (Remember that you don't need to do all the expected frequencies to get just one...) General Happiness Very Pretty Happy Happy Were Demoted ? Total 7 543 14 Not Too Happy Total Yes 5 12 7 24 No 294 545 99 938 299 557 106 962 3