Question

n1   450   n2   610
p1   0.45   p2   0.11

Step 1 of 3:

Find the critical value that should be used in constructing the confidence interval.

Step 2 of 3:

Find the value of the standard error. Round your answer to three decimal places.

Step 3 of 3:

Construct the 95%95% confidence interval. Round your answers to three decimal places.

Answer 1

The statistical software output for this problem is :

Step 1 :

Critical value = 1.96

Step 2 :

Standard error = 0.027

Step 3 :

The 95% confidence interval :

0.288 to 0.392