A U.S. Senate Judiciary Committee report showed the number of homicides in each state. In Indiana,...

A U.S. Senate Judiciary Committee report showed the number of homicides in each state. In Indiana, Ohio, and Kentucky, the number of homicides was, respectively, 380, 760, and 260. Suppose a stratified random sample with the following results was taken to learn more about the victims and the cause of death.

Stratum	Sample Size	Shootings	Beatings	Urban Victims
Indiana	30	10	9	21	380
Ohio	45	19	12	34	760
Kentucky	25	7	11	15	260

a. Develop an approximate 95% confidence interval for the proportion of shooting deaths in Indiana (to 4 decimals).

b. Develop an estimate for the total number of shooting deaths in Ohio (to whole number).

c. Develop an approximate 95% confidence interval for the proportion of shooting deaths in Ohio (to 4 decimals).

d. Develop an approximate 95% confidence interval for the proportion of shooting deaths across all three states (to 4 decimals).

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orchestra answered 1 year ago

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