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Mathematics, 19.12.2019 05:31 jaaiphieaslade

Suppose that a study is designed to choose be­ tween the hypotheses: null hypothesis: population proportion is 0.25. alternative hypothesis: population propor­ tion is higher than 0.25. on the basis of a sample of size 500, the sample proportion is 0.29. the null standard error for the potential sample proportions in this case is about 0.02.a. compute the standardized score corresponding to the sample proportion of 0.29, assuming the null hypothesis. b. what is the percentile for the satndardized score computed in part a. c. what is the p-value of the test? d. based on the results of part a to c, make a conclusion. be explicit about the wording of your conclusion and justify your answer. e. to compute the standardized score in part a, you assumed the null hypothesis was true. explain hy you couldn't compute standardized score under the assumption that alternative hypothesis was true.

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