You may need to use the appropriateappendix tableortechnologyto answer this question.Consider the following results for independent samples taken from two populations.

Sample 1	Sample 2
n1= 400	n2= 300
p1=0.49	p2=0.32

(a)What is the point estimate of the difference between the two population proportions? (Use

p₁p₂.

) (b)Develop a 90% confidence interval for the difference between the two population proportions. (Use

p₁p₂.

Round your answer to four decimal places.) to (c)Develop a 95% confidence interval for the difference between the two population proportions. (Use

p₁p₂.

Round your answer to four decimal places.) to