1. In a study of red/green color blindness,600

600

men and2200

2200

women are randomly selected and tested. Among the men,54

54

have red/green color blindness. Among the women,6

6

have red/green color blindness. Test the claim that men have a higher rate of red/green color blindness.

(Hint: you need to pool the estimate of the sample proportion; page 133 in the text)

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 the0.01

0.01

% significance level?

A.Yes

B.No

2. Construct the99

99

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

_<(p1p2)_