Mathematics, 23.04.2020 23:51 cherkaouinazihp387bk
Suppose a poll of 250 randomly selected voters in a city found that 140 of them favored increased funding for public libraries. Based on this poll, could we conclude that a majority of voters in this city (more than 50%) favor increased funding for public libraries? Use a significance level of 0.01.
a) State the null and alternative hypothesis:
b) What is the sample proportion? Use correct notation.
c) Find and Interpret the test statistic. Be clear and show work.
d) Find the probability (p-value) and include an appropriate sketch. Interpret the p-value.
e) Use calculator here to find test statistic and p-value. Indicate the steps you do on calculator.
f) State your decision.
g) State your conclusion in terms of the problem situation.
Answers: 1
Mathematics, 22.06.2019 02:00
The table shows values for functions f(x) and g(x) . x f(x)=−4x−3 g(x)=−3x+1+2 −3 9 179 −2 5 53 −1 1 1 0 −3 −1 1 −7 −7 2 −11 −25 3 −15 −79 what is the solution to f(x)=g(x) ? select each correct answer.
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Mathematics, 22.06.2019 05:50
Mia spent 30 minutes answering the math questions on the exam. this was 1/4 of the total amount of time allotted for this section of the exam. to determine the total amount of time allotted for this section of the exam, mia set up and solved the equation as shown below. which best describes the error that mia made when solving the equation?
Answers: 1
Mathematics, 22.06.2019 06:00
Pls given: q = 7m + 3n, r = 11 - 2m, s = n + 5, and t = -m - 3n + 8. simplify r - [s + t]. m - 2n - 2 -m + 2n - 2 3m - 4n + 14 -3m - 4n + 14 (not this one)
Answers: 1
Suppose a poll of 250 randomly selected voters in a city found that 140 of them favored increased fu...
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