A congressman is hoping that his bill is favored by his constituents to increase his chance of getting reelected in the next election. He asked his research office to conduct a survey on this matter to verify whether or not he can get support from his constituents so that if he gets a 90% support for the bill, he willcertainly start with his campaign. A random sample of 150 respondents yielded 128 who are in favor of his bill. Test the hypothesis that ?=0.9against the alternative ?<0.9at 0.05 level of significance. Null Hypothesis (??): Alternative Hypothesis (??): Test statistic: P-value: Decision: Conclusion:

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A congressman is hoping that his bill is favored by his constituents to increase his chance of getting reelected in the next election. He asked his research office to conduct a survey on this matter to verify whether or not he can get support from his constituents so that if he gets a 90% support for the bill, he willcertainly start with his campaign. A random sample of 150 respondents yielded 128 who are in favor of his bill. Test the hypothesis that ?=0.9against the alternative ?<0.9at 0.05 level of significance.

Null Hypothesis (??):

Alternative Hypothesis (??):

Test statistic:

P-value:

Decision:

Conclusion:

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