Question: Please answer this question clearly. Thank you The campaign manager for a political candidate claims that 55% of registered voters favor the candidate over her
Please answer this question clearly. Thank you
The campaign manager for a political candidate claims that 55% of registered voters favor the candidate over her strongest opponent. Assuming that this claim is true, what is the probability that in a simple random sample of 300 voters, at least 60% would favor the candidate over her strongest opponent?
- a) What is the point estimate of the population?
- 2.2 For this situation suppose that only 49% of the registered voters in the sample favor the candidate over her strongest opponent. Given this result:
- a. If the campaign managers claim is correct, what is the probability that the sample proportion would be no more than 0.49 for a sample of this size
- b. Based on your answer to part (a), speculate on which type of error is made by the campaign managers claim?
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