Refer again to the data in exercise 21.

a. Develop an estimate of the total number of deaths (in the three states) due to beatings.
b. Develop an approximate 95% confidence interval for the proportion of deaths across all three states due to beatings.
c. Develop an approximate 95% confidence interval for the proportion of victims who are urban.
d. Develop an estimate of the total number of urban victims.

Transcribed Image Text:

Beatings Stratum Indiana Ohio Kentucky Sample Size 30 45 25 Shootings 10 19 Urban Victims 21 34 15 12