The test statistic in a right-tailed test is z = 1.43.Ĥ. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). Use the given information to find the P-value. deaths of the elderly attributable to residential falls is more than 0.10, and the sample statistics include n = 800 deaths of the elderly with 15% of them attributable to residential falls.ģ. Pq/n The claim is that the proportion of accidentalĢ. Find the critical z value used to test a null hypothesis.įind the value of the test statistic z using z = P-P/? Assume that the data has a normal distribution and the number of observations is greater than fifty.
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