1. In a study of red/green color blindness, 500  men and 2350  women are randomly selected and tested. Among the men, 48  have red/green color blindness. Among the women, 55  have red/green color blindness. Test the claim that men have a higher rate of red/green color blindness.
The test statistic is 

The p-value is 

Is there sufficient evidence to support the claim that men have a higher rate of red/green color blindness than women using the 0.05  % significance level?

A.   Yes
B.   No

2. Construct the 95  % confidence interval for the difference between the color blindness rates of men and women.

<(p1−p2)<