Find the value of the test statistic z using z = pˆ-p / √pq/n . The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.25, and the sample statistics include n = 1217 subjects with 292 saying that they smoked a cigarette in the past week.
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Find the value of the test statistic z using z = pˆ-p / √pq/n . The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.25, and the sample statistics include n = 1217 subjects with 292 saying that they smoked a cigarette in the past week.
