In April 2010, 45% of the unemployed had been out of work longer than six months. Policy makers felt that this percentage declined during 2010 as the job market improved. To test this theory, a random sample of 200 unemployed people was selected, and it was found that 67 had been out of work for more than six months. Using a = 0.10, answer parts a through c below. a. What conclusions can be drawn about the proportion of the unemployed who have been out of work for more than six months? Determine the null and alternative hypotheses. Choose the correct answer below. O A. Ho: p>0.45 H: ps0.45 O B. Ho: ps0.45 H,:p>0.45 OC. Ho: p20.45 O D. Ho: p=0.45 H:p#0.45 H,:p<0.45

MATLAB: An Introduction with Applications
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In April​ 2010,

45​%

of the unemployed had been out of work longer than six months. Policy makers felt that this percentage declined during 2010 as the job market improved. To test this​ theory, a random sample of

200

unemployed people was​selected, and it was found that

67

had been out of work for more than six months. Using

α=0.10​,

answer parts a through c below.

In April 2010, 45% of the unemployed had been out of work longer than six months. Policy makers felt that this percentage declined during 2010 as the job market improved. To test this theory, a random sample of 200 unemployed people was
selected, and it was found that 67 had been out of work for more than six months. Using a = 0.10, answer parts a through c below.
a. What conclusions can be drawn about the proportion of the unemployed who have been out of work for more than six months?
Determine the null and alternative hypotheses. Choose the correct answer below.
А. Но: р> 0.45
H4:ps0.45
В. Но ps0.45
H4:p>0.45
С. Но: р20.45
H4:p<0.45
D. Ho:p= 0.45
H4:p#0.45
Transcribed Image Text:In April 2010, 45% of the unemployed had been out of work longer than six months. Policy makers felt that this percentage declined during 2010 as the job market improved. To test this theory, a random sample of 200 unemployed people was selected, and it was found that 67 had been out of work for more than six months. Using a = 0.10, answer parts a through c below. a. What conclusions can be drawn about the proportion of the unemployed who have been out of work for more than six months? Determine the null and alternative hypotheses. Choose the correct answer below. А. Но: р> 0.45 H4:ps0.45 В. Но ps0.45 H4:p>0.45 С. Но: р20.45 H4:p<0.45 D. Ho:p= 0.45 H4:p#0.45
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