As part of a poll, subjects were asked if there is solid evidence that the earth...

 

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As part of a poll, subjects were asked if there is solid evidence that the earth is getting warmer Among 1501 respondents, 345 of them said that there is not such evidence. Use a 0.01 significance level to test the claim that less than 25% of the population believes that there jis oe solid evidence that the earth is getting warmer. Assume this is a normal distribution. Are you testing a claim about a population mean, u, or a population proportion, p? a) Identify the null and alternative hypothesis in symbolic form. Họ: H: b) What is the value of the test statistic? Round decimal to two places. c) What is the P - Value? Round decimal to three places. d) What is the conclusion about the null hypothesis, should you reject or fail to reject the null hypothesis? Explain. e) Based on your answer to part (d), what is the final conclusion that addresses the original claim? As part of a poll, subjects were asked if there is solid evidence that the earth is getting warmer Among 1501 respondents, 345 of them said that there is not such evidence. Use a 0.01 significance level to test the claim that less than 25% of the population believes that there jis oe solid evidence that the earth is getting warmer. Assume this is a normal distribution. Are you testing a claim about a population mean, u, or a population proportion, p? a) Identify the null and alternative hypothesis in symbolic form. Họ: H: b) What is the value of the test statistic? Round decimal to two places. c) What is the P - Value? Round decimal to three places. d) What is the conclusion about the null hypothesis, should you reject or fail to reject the null hypothesis? Explain. e) Based on your answer to part (d), what is the final conclusion that addresses the original claim?

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