In a sample of 1777 home buyers, you find that 811 home buyers found their real estate agent through a friend. At a = 0.08, can you reject the claim that 50% of home buyers find their real estate agent through a friend? (b) What is (are) the critical value(s) Zo? Zo = ±1.75 (Use a comma to separate answers as needed. Round to two decimal places as needed.) Which of the following graphs has the rejection region(s) shaded correctly? OB. C. (c) What is the test statistic? z= 0.91 (Round to two decimal places as needed.) (d) Which of the following is the correct conclusion for the test? O A. Fail to reject Ho. There is not enough evidence to reject the claim that 50% of buyers find O B. Reject Ho. There is enough evidence to reject the claim that 50% of buyers find their real their real estate agent through a friend. estate agent through a friend. OC. Reject Ho- There is not enough evidence to reject the claim that 50% of buyers find their real O D. Fail to reject Ho- There is enough evidence to reject the claim that 50% of buyers find their

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i cannot figure out the what i am doing wrong but i keep getting the test statistic wrong. 

(a) Write the claim mathematically and identify H, and H1. (b) Find the critical value(s) and identify the rejection region(s). (c) Find the test statistic. (d) Decide whether to reject or fail to reject the null
hypothesis.
In a sample of 1777 home buyers, you find that 811 home buyers found their real estate agent through a friend. At a = 0.08, can you reject the claim that 50% of home buyers find their real estate agent
through a friend?
(b) What is (are) the critical value(s) zo?
Zo = +1.75
(Use a comma to separate answers as needed. Round to two decimal places as needed.)
Which of the following graphs has the rejection region(s) shaded correctly?
A.
O B.
C.
- Zo 0 z0
Zo
(c) What is the test statistic?
Z=0.91
(Round to two decimal places as needed.)
(d) Which of the following is the correct conclusion for the test?
O A. Fail to reject Ho. There is not enough evidence to reject the claim that 50% of buyers find
O B. Reject Ho. There is enough evidence to reject the claim that 50% of buyers find their real
their real estate agent through a friend.
estate agent through a friend.
O C. Reject Ho. There is not enough evidence to reject the claim that 50% of buyers find their real O D. Fail to reject Ho. There is enough evidence to reject the claim that 50% of buyers find their
estate agent through a friend.
real estate agent through a friend.
Transcribed Image Text:(a) Write the claim mathematically and identify H, and H1. (b) Find the critical value(s) and identify the rejection region(s). (c) Find the test statistic. (d) Decide whether to reject or fail to reject the null hypothesis. In a sample of 1777 home buyers, you find that 811 home buyers found their real estate agent through a friend. At a = 0.08, can you reject the claim that 50% of home buyers find their real estate agent through a friend? (b) What is (are) the critical value(s) zo? Zo = +1.75 (Use a comma to separate answers as needed. Round to two decimal places as needed.) Which of the following graphs has the rejection region(s) shaded correctly? A. O B. C. - Zo 0 z0 Zo (c) What is the test statistic? Z=0.91 (Round to two decimal places as needed.) (d) Which of the following is the correct conclusion for the test? O A. Fail to reject Ho. There is not enough evidence to reject the claim that 50% of buyers find O B. Reject Ho. There is enough evidence to reject the claim that 50% of buyers find their real their real estate agent through a friend. estate agent through a friend. O C. Reject Ho. There is not enough evidence to reject the claim that 50% of buyers find their real O D. Fail to reject Ho. There is enough evidence to reject the claim that 50% of buyers find their estate agent through a friend. real estate agent through a friend.
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