A poll of 1350 adults in the United States asked how much confidence they had in banks. A total of 203 adults said they had a great deal of confidence. An economist claims that less than 15% of U.S. adults have a great deal of confidence in banks. Can you conclude that the economist's claim is true? Use the a = 0.01 level of significance. %3D Fill in the blanks 1) State the null and alternative hypothesis A. 3D0.15 B. p > 0.15 C.p< 0.15 D. p#0.15 H1: 2) Compute Test Statistics. Round your answer in 4 decimal places The test statistics is 3) Find Critical Value. Round your answer in 2 decimal places

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A poll of 1350 adults in the United States asked how much confidence they had in banks. A
total of 203 adults said they had a great deal of confidence. An economist claims that less
than 15% of U.S. adults have a great deal of confidence in banks. Can you conclude that the
economist's claim is true? Use the a = 0.01 level of significance.
Fill in the blanks
1) State the null and alternative hypothesis
A.p 0.15
B. p > 0.15
C.p< 0.15
D. p 0.15
Ho:
H1:
2) Compute Test Statistics. Round your answer in 4 decimal places
The test statistics is
3) Find Critical Value. Round your answer in 2 decimal places
The Critical value is
IIO
Transcribed Image Text:%24 A poll of 1350 adults in the United States asked how much confidence they had in banks. A total of 203 adults said they had a great deal of confidence. An economist claims that less than 15% of U.S. adults have a great deal of confidence in banks. Can you conclude that the economist's claim is true? Use the a = 0.01 level of significance. Fill in the blanks 1) State the null and alternative hypothesis A.p 0.15 B. p > 0.15 C.p< 0.15 D. p 0.15 Ho: H1: 2) Compute Test Statistics. Round your answer in 4 decimal places The test statistics is 3) Find Critical Value. Round your answer in 2 decimal places The Critical value is IIO
15063/quizzes/868466/take/questions/18637020
3) Find Critical Value. Round your answer in 2 decimal places
The Critical value is
4) Find the P-value. Round your answer in 2 decimal places.
The P-value is
5) Decision
E. Reject the Ho
F. Do not reject the Ho
Type E or F in the box
Conclusion:
G. We conclude that the economist's clailn is true that is less than 15% of U.S. adults have a
great deal of confidence in banks.
H. We can not conclude that the economist's claim is true that is less than 15% of U.S. adults
have a great deal of confidence in banks.
Type G or H in the box
IIO
Transcribed Image Text:15063/quizzes/868466/take/questions/18637020 3) Find Critical Value. Round your answer in 2 decimal places The Critical value is 4) Find the P-value. Round your answer in 2 decimal places. The P-value is 5) Decision E. Reject the Ho F. Do not reject the Ho Type E or F in the box Conclusion: G. We conclude that the economist's clailn is true that is less than 15% of U.S. adults have a great deal of confidence in banks. H. We can not conclude that the economist's claim is true that is less than 15% of U.S. adults have a great deal of confidence in banks. Type G or H in the box IIO
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