Answered: (a) Write the claim mathematically and…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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(a) Write the claim mathematically and identify Upper H 0 and Upper H 1

(b) Find the critical value(s) and identify the rejection region(s). (c) Find the standardized test statistic. (d) Decide whether to reject or fail to reject the null hypothesis.

In a sample of 1719 home buyers, you find that 706 home buyers found their real estate agent through a friend. At alpha=0.08, can you reject the claim that 42% of home buyers find their real estate agent through a friend?

(a) Which of the following correctly states Upper H 0 and Upper H 1?

(b) What is (are) the critical value(s) z 0 ?

z 0=

(Use a comma to separate answers as needed. Round to two decimal places as needed.)

(D) What is the standardized test statistic?

(Round to two decimal places as needed.)

(E) Which of the following is the correct conclusion for the test?

A. Fail to reject Upper H 0. There is not enough evidence to reject the claim that 42 % of buyers find their real estate agent through a friend.

B.Reject Upper H 0 There is enough evidence to reject the claim that

42 % of buyers find their real estate agent through a friend.

C.Reject Upper H 0. There is not enough evidence to reject the claim that

42 % of buyers find their real estate agent through a friend.

D. Fail to reject Upper H 0. There is enough evidence to reject the claim that 42 % of buyers find their real estate agent through a friend.

Which of the following graphs has the rejection region(s) shaded correctly?
O A.
В.
C.
Zo
Zo
- Zo
Zo

(a) Which of the following correctly states H, and H, ?
A. Ho: p>0.42
H1:ps0.42
В. Но: р<0.42
H,:p20.42
С. Но: р20.42
H4:p<0.42
O D. Ho: p= 0.42
H1:p#0.42
О Е. Но: р30.42
Hii р> 0.42
F. Ho: ps0.42
H1:p>0.42

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