Answer: Whats wrong? Explain what is wrong with each of
Chapter , Problem 8.20(choose chapter or problem)
Whats wrong? Explain what is wrong with each of the following: (a) An approximate 90% confidence interval for an unknown proportion p is p plus or minus its standard error. (b) You can use a significance test to evaluate the hypothesis H0: p 0.3 versus the one-sided alternative. (c) The large-sample significance test for a population proportion is based on a t statistic.
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