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 14:10, jessicapbailey52
Which linear equations have an infinite number of solutions? check all that apply. (x β 3/7) = 2/7(3/2x β 9/14)8(x + 2) = 5x β 1412.3x β 18 = 3(β6 + 4.1x)οΏΌ(6x + 10) = 7(οΏΌx β 2)4.2x β 3.5 = 2.1 (5x + 8)
Answers: 3
Mathematics, 21.06.2019 18:30, daidai123
Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?
Answers: 3
Mathematics, 21.06.2019 20:10, kendall984
Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70ΒΊ. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm
Answers: 1
A U. S. Senate Judiciary Committee report showed the number of homicides in each state. In Indiana,...
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