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Sullivan Statistics Survey: Deficit Reduction In the Sullivan Statistics Survey, respondents were asked, "Would you be willing to pay higher taxes if the tax revenue went directly toward deficit reduction?" Treat the respondents as a simple random sample of adult Americans.
(a) What proportion of the males who took the survey is willing to pay higher taxes to reduce the deficit? What proportion of the females who took the survey is willing to pay higher taxes to reduce the deficit?
(b) Is there significant evidence to suggest the proportions of males and females who are willing to pay higher taxes to reduce the deficit differs at the a = 0.05 level of significance?
Zip codes. holes-r-us, and internet company that sells piercing jewelry,
Note that under the exponential assumption, P(X>t) = exp(-t/theta). If t=5, use the result from (a) to find an approximate one-sided lower 95% confidence limit for theta.
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Find a 95 percent confidence interval for the true proportion of all current Bank of America customers who would respond with a 9 or 10.
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In light of these data, are the percentages of divorcing couples with prenuptial agreements equal in these four places?
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