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A report stated that 21% of babies are delivered by Caesarean section. A researcher believes that the percentage is less than 21% in the large hospital in his hometown. He randomly selected 50 newborn infants and found that 8 were born by Caesarean section. At a significance level of 0.01, is there enough evidence to support his claim? Show all the details using the traditional/classical method.
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Answer 1

Answer:

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