Question 187634: I have a question about my statistics homework, can someone please help me. Thank you.
Hypothesis Testing for Proportions.
1. In a recent poll, it was found that 43% of registered U.S. voters would vote for the incumbent president. If 100 registered voters were sampled randomly, it was found that 35% would vote of the incumbent. Actual proportion is 43% test the claim at the level of significance alpha = 0.01
1.H0 :
Ha :
2.alpha =
3.Test statistics:
4.P-value or critical z0 or t0.
5.Rejection Region:
6.Decision:
7.Interpretation:
I would like to thank you in advance for your help and useing your time to help me.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! 1. In a recent poll, it was found that 43% of registered U.S. voters would vote for the incumbent president.
If 100 registered voters were sampled randomly, it was found that 35% would vote of the incumbent.
Actual prop is 43% ; test thee claim at the level of significance alpha = 0.01
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Question? What is the claim you are supposed to test? You cannot know
Ha without knowing the claim.
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Cheers,
Stan H.
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1.Ho : p = 0.43
Ha : ???????????
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