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The administration of Oxxo stores believes, based on research, that the percentage of men who visit...

The administration of Oxxo stores believes, based on research, that the percentage of men who visit their stores 9 or more times a month (frequent customers) is greater than the percentage of women who do the same. A sample of 40 men and 66 women was taken, of which 19 men and 25 women were frequent clients. With a significance level of 4%, can you confirm the belief of the management of Oxxo stores?
a) What is the critical value of the statistic in the rejection zone?
b) What is the value of the test statistic?
c) What is your conclusion?

Math   Statistics-And-Probability   
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