AP Statistics Quiz
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INFERENCE FOR CATEGORICAL DATA: PROPORTIONS
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A public health researcher tests whether the proportion of adults in a county who have received a flu shot is greater than 50%. In a random sample of 300 adults, 171 reported receiving a flu shot. A one-proportion zz test was conducted for H0:p=0.50H_0: p=0.50 versus Ha:p>0.50H_a: p>0.50 at α=0.05\alpha=0.05. The pp-value was 0.006, so the researcher rejected H0H_0. Which conclusion is appropriate?
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