I think 20×5=100 then 100÷2
Answer: (0.066,0.116)
Step-by-step explanation:
The confidence interval for proportion is given by :-

Given : The proportion of men have red/green color blindness = 
The proportion of women have red/green color blindness = 
Significance level : 
Critical value : 
Now, the 99% confidence interval for the difference between the color blindness rates of men and women will be:-

Hence, the 99% confidence interval for the difference between the color blindness rates of men and women= (0.066,0.116)
Answer:
Step-by-step explanation:
75 = 5 *5* 3
29 is a prime number = 29*1
168 = 2*2*2*3*7