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A drug company has developed a new drug designed to prevent colds. They state that the...

A drug company has developed a new drug designed to prevent colds. They state that the drug is effective for both men and women. In a sample of 150 men, 68 caught a cold. In a sample of 200 women, 60 caught a cold. At á = 0.05, test the claim that there is no difference in the proportion of men and women who caught a cold.

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