Mathematics, 03.03.2021 18:30 lilloser
5.
A newspaper poll found that 52 percent of the respondents in a large random sample of likely voters in a
district intend to vote for candidate Smith rather than the opponent. A 95 percent confidence interval for the
population proportion was computed to be 0.52 +0.04. Based on the confidence interval, which of the
following should the newspaper report to its readers?
(A) Smith will win because a majority of voters are in favor of Smith,
(B) There is a 95% chance that Smith will win.
(C) The poll predicts that Smith will win, but there is a 5% chance that the prediction is incorrect due to
sampling error
(D) With 95% confidence, there is convincing evidence that Smith will win.
(E) No prediction about who will win can be made with 95% confidence, based on the sample taken.
Answers: 3
Mathematics, 21.06.2019 21:10
Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)
Answers: 1
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
5.
A newspaper poll found that 52 percent of the respondents in a large random sample of likely vot...
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