Adults randomly selected for a poll were asked if they "favor or oppose using federal tax dollars to fund medical research using stem cells obtained from human embryos." Of the subjects surveyed, 487 were in favor, 409 were opposed, and 109 were unsure. A politician claims that people don't really understand the stem cell issue and their responses to such questions are random responses equivalent to a coin flip. Use a 0.10 significance level to test the claim that the proportion of subjects who respond in favor is equal to 0.5. What does the result suggest about the politician's claim? Find the null and alternative hypotheses. O A. Ho: p=0.5 H₁: p > 0.5 OC. Ho: p=0.5 H₁: p *0.5 Find the test statistic. z = (Round to three decimal places as needed.) Find the critical value(s). O B. Ho: p *0.5 H₁: p=0.5 O D. Ho: p=0.5 H₁: p<0.5 z = (Use a comma to separate answers as needed. Round to three decimal places as needed.) State the conclusion. Ho. There sufficient evidence to reject the claim that the proportion of subjects who responded in favor is equal to 0.5. The politician's claim to have merit.
Adults randomly selected for a poll were asked if they "favor or oppose using federal tax dollars to fund medical research using stem cells obtained from human embryos." Of the subjects surveyed, 487 were in favor, 409 were opposed, and 109 were unsure. A politician claims that people don't really understand the stem cell issue and their responses to such questions are random responses equivalent to a coin flip. Use a 0.10 significance level to test the claim that the proportion of subjects who respond in favor is equal to 0.5. What does the result suggest about the politician's claim? Find the null and alternative hypotheses. O A. Ho: p=0.5 H₁: p > 0.5 OC. Ho: p=0.5 H₁: p *0.5 Find the test statistic. z = (Round to three decimal places as needed.) Find the critical value(s). O B. Ho: p *0.5 H₁: p=0.5 O D. Ho: p=0.5 H₁: p<0.5 z = (Use a comma to separate answers as needed. Round to three decimal places as needed.) State the conclusion. Ho. There sufficient evidence to reject the claim that the proportion of subjects who responded in favor is equal to 0.5. The politician's claim to have merit.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Adults randomly selected for a poll were asked if they "favor or oppose using federal tax dollars to fund medical
research using stem cells obtained from human embryos." Of the subjects surveyed, 487 were in favor, 409
were opposed, and 109 were unsure. A politician claims that people don't really understand the stem cell issue
and their responses to such questions are random responses equivalent to a coin flip. Use a 0.10 significance
level to test the claim that the proportion of subjects who respond in favor is equal to 0.5. What does the result
suggest about the politician's claim?
Find the null and alternative hypotheses.
O A. Ho: p=0.5
H₁: p > 0.5
OC. Ho: p=0.5
H₁: p *0.5
Find the test statistic.
z =
(Round to three decimal places as needed.)
Find the critical value(s).
O B. Ho: p *0.5
H₁: p=0.5
O D. Ho: p=0.5
H₁: p<0.5
z =
(Use a comma to separate answers as needed. Round to three decimal places as needed.)
State the conclusion.
Ho. There
sufficient evidence to reject the claim that the proportion of subjects who
responded in favor is equal to 0.5. The politician's claim
to have merit.
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