Mathematics, 21.05.2021 17:40 gilcarrillo146
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, , , and . 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
Ohio 45 19 12 34
Kentucky 25 7 11 15
Required:
a. Develop an approximate confidence interval for the proportion of shooting deaths in Indiana
b. Develop an estimate for the total number of shooting deaths in Ohio (to whole number).
c. Develop an approximate confidence interval for the proportion of shooting deaths in Ohio
d. Develop an approximate confidence interval for the proportion of shooting deaths across all three states.
Answers: 2
Mathematics, 21.06.2019 13:30
Which statement holds true for absolute value functions? •the absolute value determines the direction in which theb.the coefficient determines the line along which the graph,the distance between the left and the right arm is based od.the vertex coordinates and the absolute value determine 111
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Mathematics, 21.06.2019 21:00
Find the perimeter of the triangle with vertices d(3, 4), e(8, 7), and f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.
Answers: 1
Mathematics, 22.06.2019 01:20
Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.
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Mathematics, 22.06.2019 01:40
Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect
Answers: 1
A U. S. Senate Judiciary Committee report showed the number of homicides in each state. In Indiana,...
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