M8: Exam - Requires Respondus LockDown Browser
+ Webcam
Due No due date Points 50 Questions Time Limit 90 Minutes
Attempt History
Attempt Time Score
LATEST Attempt 1 63 minutes
Submitted Aug 24 at 1:04am
This attempt took 63 minutes.
1/12
, Suppose we have independent random samples of size n1 = 615 and n2 =
505. The proportions of success in the two samples are p1= .53 and p2 =
.45. Find the 90% confidence interval for the difference in the two
population proportions.
Answer the following questions:
1. Multiple choice: Which equation would you use to solve this problem?
A.
B.
C.
D.
2. List the values you would insert into that equation.
3. State the final answer to the problem
Your Answer:
1. B
2. P1 =0.53, P2=0.45, n1 = 615, n2 = 505, z = 1.645
3. (0.129, 0.031)
2/12
+ Webcam
Due No due date Points 50 Questions Time Limit 90 Minutes
Attempt History
Attempt Time Score
LATEST Attempt 1 63 minutes
Submitted Aug 24 at 1:04am
This attempt took 63 minutes.
1/12
, Suppose we have independent random samples of size n1 = 615 and n2 =
505. The proportions of success in the two samples are p1= .53 and p2 =
.45. Find the 90% confidence interval for the difference in the two
population proportions.
Answer the following questions:
1. Multiple choice: Which equation would you use to solve this problem?
A.
B.
C.
D.
2. List the values you would insert into that equation.
3. State the final answer to the problem
Your Answer:
1. B
2. P1 =0.53, P2=0.45, n1 = 615, n2 = 505, z = 1.645
3. (0.129, 0.031)
2/12
