Question
It the1980s, it was generally believed that congenital abnormalities affected about 8% of a largenation's children. Some people believe that the increase in the number
It the1980s, it was generally believed that congenital abnormalities affected about 8% of a largenation's children. Some people believe that the increase in the number of chemicals in the environment has led to an increase in the incidence of abnormalities. A recent study examined 388 randomly selected children and found that 39 of them showed signs of an abnormality. Is this strong evidence that the risk hasincreased? We consider aP-value of around 5% to represent reasonableevidence. Assume the independence assumption is met.
Appropriate hypotheses:
H0: p=0.08 vs. HA: p>0.08
What is theP-value? _____
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