14% of all college students volunteer their time. Is the percentage of college students who are volunteers smaller for students receiving financial aid? Of the 362 randomly selected students who receive financial aid, 36 of them volunteered their time. What can be concluded at the � = 0.05 level of significance? Use the p-value approach. For this stud
14% of all college students volunteer their time. Is the percentage of college students who are volunteers smaller for students receiving financial aid? Of the 362 randomly selected students who receive financial aid, 36 of them volunteered their time. What can be concluded at the � = 0.05 level of significance? Use the p-value approach. For this stud
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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14% of all college students volunteer their time. Is the percentage of college students who are volunteers smaller for students receiving financial aid? Of the 362 randomly selected students who receive financial aid, 36 of them volunteered their time. What can be concluded at the � = 0.05 level of significance? Use the p-value approach.
- For this study, we should use z-test for a population proportion or t-test for a population mean
- The null and alternative hypotheses would be:
�0: (p or u) (please enter a decimal)
�1: (p or u) (Please enter a decimal)
- The test statistic (z or t) = (please show your answer to 3 decimal places.)
- The p-value = (Please show your answer to 4 decimal places.)
- The p-value is ( > or < with line) �
- Based on this, we should (accept or reject or fail to reject) the null hypothesis.
- Thus, the final conclusion is that ...
- The data suggest the populaton proportion is significantly lower than 14% at � = 0.05, so there is sufficient evidence to conclude that the percentage of financial aid recipients who volunteer is lower than 14%.
- The data suggest the population proportion is not significantly lower than 14% at � = 0.05, so there is sufficient evidence to conclude that the percentage of financial aid recipients who volunteer is equal to 14%.
- The data suggest the population proportion is not significantly lower than 14% at � = 0.05, so there is insufficient evidence to conclude that the percentage of financial aid recipients who volunteer is lower than 14%.
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