20% of all college students volunteer their time. Is the percentage of college students who are volunteers smaller for students receiving financial aid? Of the 356 randomly selected students who receive financial aid, 61 of them volunteered their time. What can be concluded at the αα = 0.10 level of significance? For this study, we should use? Select an answer z-test for a population proportion? or t-test for a population mean? The null and alternative hypotheses would be: H0:H0:? μ or p Select an answer ≥ = < > ≤ ≠ ___(please enter a decimal) H1:H1:? μ or p Select an answer ≥ ≠ = < > ≤ _ (Please enter a decimal) 2. The test statistic ? t or z = (please show your answer to 3 decimal places.) The p-value = __ (Please show your answer to 4 decimal places.) The p-value is ? > or ≤ α 3. Based on this, we should Select an answer fail to reject? reject ? accept ? the null hypothesis. Thus, the final conclusion is that ... The data suggest the population proportion is not significantly lower than 20% at αα = 0.10, so there is sufficient evidence to conclude that the percentage of financial aid recipients who volunteer is equal to 20%. The data suggest the population proportion is not significantly lower than 20% at αα = 0.10, so there is insufficient evidence to conclude that the percentage of financial aid recipients who volunteer is lower than 20%. The data suggest the populaton proportion is significantly lower than 20% at αα = 0.10, so there is sufficient evidence to conclude that the percentage of financial aid recipients who volunteer is lower than 20%

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Description: 20% of all college students volunteer their time. Is the percentage of college students who are volunteers smaller for students receiving financial aid? Of the 356 randomly selected students who receive financial aid, 61 of them volunteered their tim

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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20% of all college students volunteer their time. Is the percentage of college students who are volunteers smaller for students receiving financial aid? Of the 356 randomly selected students who receive financial aid, 61 of them volunteered their time. What can be concluded at the αα = 0.10 level of significance?

For this study, we should use? Select an answer z-test for a population proportion? or t-test for a population mean?

The null and alternative hypotheses would be:

H0:H0:? μ or p Select an answer ≥ = < > ≤ ≠ _______(please enter a decimal)

H1:H1:? μ or p Select an answer ≥ ≠ = < > ≤ _______ (Please enter a decimal)

2. The test statistic ? t or z = ______ (please show your answer to 3 decimal places.)

The p-value = ______ (Please show your answer to 4 decimal places.)

The p-value is ? > or ≤ α

3. Based on this, we should Select an answer fail to reject? reject ? accept ? the null hypothesis.

Thus, the final conclusion is that ...

The data suggest the population proportion is not significantly lower than 20% at αα = 0.10, so there is sufficient evidence to conclude that the percentage of financial aid recipients who volunteer is equal to 20%.
The data suggest the population proportion is not significantly lower than 20% at αα = 0.10, so there is insufficient evidence to conclude that the percentage of financial aid recipients who volunteer is lower than 20%.
The data suggest the populaton proportion is significantly lower than 20% at αα = 0.10, so there is sufficient evidence to conclude that the percentage of financial aid recipients who volunteer is lower than 20%

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