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Use the data in BUSI1013 Bank Dataset.xlsx(see below) to answer this question.

Use the data in BUSI1013 Bank Dataset.xlsx(see below) to answer this question. (4 points)



a Perform a statistical test to see whether the proportion of female customers in the population is lower than 52%. Use the p-value approach and a 0.05 level of significance

b Perform a statistical test to see whether proportion of customers who would recommend the Bank to their friends before the change is greater than 0.64. Use the critical value approach and a 0.05 level of significance.Screen Shot 2018-12-02 at 下午10.48.35.png

Screen Shot 2018-12-02 at 下午10.48.35.png

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