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A demographer believes that the population of males and females in his country are the same. To check this claim, he selected 900 people randomly,

A demographer believes that the population of males and females in his country are the same. To check this claim, he selected 900 people randomly, and found the number of males and females 380 and 520, respectively. Conduct an appropriate test at 1% of significance level for this problem.

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