sample statistics are from independent random samples. P, =P2, a = 0.10 x, = 108, n, = 128 and x, = 32, n, = 195 Claim: Sample statistics: Hai P1 F P2 O E. A normal sampling distribution cannot be used, so the claim cannot be tested. Find the critical values. Select the correct choice below and, if necessary, fill in the answer boxes complete your choice. O A. The critical values are - z = and zo =. (Round two decimal places as needed.) O B. A normal sampling distribution cannot be used, so the claim cannot be tested. Find the standardized test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. z= (Round to two decimal places as needed.) O B. A normal sampling distribution cannot be used, so the claim cannot be tested. State the conclusion. Choose the correct answer below. O A. Fail to reject Ho. There is sufficient evidence that there is a difference between p, and p,. O B. Reject Ho. There is sufficient evidence that there is a difference between p, and p2. OC. Fail to reject Ho. There is insufficient evidence that there is a difference between p, and P2- O D. Reject Ho. There is insufficient evidence that there is a difference between p, and p2. O E. A normal sampling distribution cannot be used, so the claim cannot be tested.
sample statistics are from independent random samples. P, =P2, a = 0.10 x, = 108, n, = 128 and x, = 32, n, = 195 Claim: Sample statistics: Hai P1 F P2 O E. A normal sampling distribution cannot be used, so the claim cannot be tested. Find the critical values. Select the correct choice below and, if necessary, fill in the answer boxes complete your choice. O A. The critical values are - z = and zo =. (Round two decimal places as needed.) O B. A normal sampling distribution cannot be used, so the claim cannot be tested. Find the standardized test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. z= (Round to two decimal places as needed.) O B. A normal sampling distribution cannot be used, so the claim cannot be tested. State the conclusion. Choose the correct answer below. O A. Fail to reject Ho. There is sufficient evidence that there is a difference between p, and p,. O B. Reject Ho. There is sufficient evidence that there is a difference between p, and p2. OC. Fail to reject Ho. There is insufficient evidence that there is a difference between p, and P2- O D. Reject Ho. There is insufficient evidence that there is a difference between p, and p2. O E. A normal sampling distribution cannot be used, so the claim cannot be tested.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the difference between two population proportions p, and p, at the given level of significance oa using the given sample statistics. Assume tl
sample statistics are from independent random samples.
P1 = P2, a = 0.10
X1 = 108, n, = 128 and x, = 32, n, = 195
Claim:
Sample statistics:
Ha: P1 7 P2
E. A normal sampling distribution cannot be used, so the claim cannot be tested.
Find the critical values. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
A. The critical values are - Zo =
and Zo
%3D
(Round to two decimal places as needed.)
B. A normal sampling distribution cannot be used, so the claim cannot be tested.
Find the standardized test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A.
(Round to two decimal places as needed.)
B. A normal sampling distribution cannot be used, so the claim cannot be tested.
State the conclusion. Choose the correct answer below.
A. Fail to reject Ho. There is sufficient evidence that there is a difference between p,
and
B. Reject Ho: There is sufficient evidence that there is a difference between p, and p,.
O C. Fail to reject Ho. There is insufficient evidence that there is a difference between
P1
and 2-
O D. Reject Ho. There is insufficient evidence that there is a difference between
P1
and
P2.
O E. Anormal sampling distribution cannot be used, so the claim cannot be tested.
Transcribed Image Text:Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the difference between two population proportions p, and p2 at the given level of significance a using the given sample statistics. Assume the
sample statistics are from independent random samples.
Claim:
P1 = P2, a = 0.10
Sample statistics:
X1 = 108, n,
= 128 and x, = 32, n, = 195
%3D
Can a normal sampling distribution be used?
No
Yes
Identify the null and alternative hypotheses. Choose the correct answer below.
O A. Ho: P1 = P2
Ha: P1 > P2
В. Но: Р1 <Р2
Ha: P1 = P2
O C. Ho: P1 # P2
Ha: P1 = P2
D. Ho: P1 = P2
Ha: P1 # P2
O E. A normal sampling distribution cannot be used, so the claim cannot be tested.
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