SOLUTION: Determine the critical z-value to test the claim about the population proportion p = 0.250 given n = 48 and 0.231. Use a 0.01 significance level
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Question 470191: Determine the critical z-value to test the claim about the population proportion p = 0.250 given n = 48 and 0.231. Use a 0.01 significance level Answer by robertb(5830) (Show Source):
You can put this solution on YOUR website! What is THE claim? Where are the sample statistics? (Sample proportion and standard deviation?) The sample statistic and its context are especially important, because they determine the direction and the number of tails for the test.
