Is the same question(: %24A poll of 1350 adults in the United States asked how much confidence they had in banks. Atotal of 203 adults said they had a great deal of confidence. An economist claims that lessthan 15% of U.S. adults have a great deal of confidence in banks. Can you conclude that theeconomist's claim is true? Use the a = 0.01 level of significance.Fill in the blanks1) State the null and alternative hypothesisA.p 0.15B. p > 0.15C.p< 0.15D. p 0.15Ho:H1:2) Compute Test Statistics. Round your answer in 4 decimal placesThe test statistics is3) Find Critical Value. Round your answer in 2 decimal placesThe Critical value isIIO 15063/quizzes/868466/take/questions/186370203) Find Critical Value. Round your answer in 2 decimal placesThe Critical value is4) Find the P-value. Round your answer in 2 decimal places.The P-value is5) DecisionE. Reject the HoF. Do not reject the HoType E or F in the boxConclusion:G. We conclude that the economist's clailn is true that is less than 15% of U.S. adults have agreat 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. adultshave a great deal of confidence in banks.Type G or H in the boxIIO

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Description: Is the same question(: %24A poll of 1350 adults in the United States asked how much confidence they had in banks. Atotal of 203 adults said they had a great deal of confidence. An economist claims that lessthan 15% of U.S. adults have a great deal of

NOTE: As per the guidelines, only first three subparts have been solved here Given information: A poll of 1350 adults were asked in a poll that how much confidence they had in banks. A total of 203 adults said that they had a great deal of confidence in banks. Therefore, the sample parameters are: n=1350X=203 where, n is the sample size and X is the number of people who said that they have a great deal of confidence in the banks. The economists claims that the population proportion p of adults that said they have great deal of confidence in the banks is less than 15%. The test if performed at 0.01 level of significance.1) Since it is claimed that less than 15% of US adults have a great deal of confidence in the banks, therefore, the alternative hypothesis is framed accordingly. In contrast, the null hypothesis is stated. The null and the alternate hypothesis for testing the claim is: Ho: p=0.15Ha: p<0.15 2) The sample proportion is computed as, p^=Xn=2031350=0.1504 The test statistic for testing is computed as: Z=p^-pp×1-pn=0.1504-0.150.15×1-0.151350=0.0412 Thus, the calculated z-test statistic is 0.0412.3) The critical value for left-tailed tabulated value z at 0.01 level of significance is -2.33.Since the calculated value of the z test statistic is not less than the tabulated value of z at 0.01 level of significance, therefore, Ho could not be rejected and thus, accepted. Hence, there is enough evidence to conclude that the population proportion p of adults that said they have a great deal of confidence in the banks is not less than 15%.

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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. %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

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

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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The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.

Speed, Time, and Distance

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Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.

Topic Video

Question

Is the same question(:

%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

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