MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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According to a recent​ report, 46​% of college student internships are unpaid. A recent survey of 100 college interns at a local university found that 58 had unpaid internships.
 
a. Use the​ five-step p-value approach to hypothesis testing and a 0.05 level of significance to determine whether the proportion of college interns that had unpaid internships is different from 0.46.
b. Assume that the study found that 49 of the 100 college interns had unpaid internships and repeat​ (a). Are the conclusions the​ same?
 
Let π be the population proportion. Determine the null​ hypothesis, H0​, and the alternative​ hypothesis, H1.
 
H0: P__ 
H1: P__
 
ZStat
P-value
 
__A__ the null hypothesis. There __B__ sufficient evidence that the proportion of college interns that had unpaid internships is __C__ 0.46 because the p-value is __D__ the level of significance.
 
A: Reject or do not reject
B: is or is not
C: less than, different from, greater than
D: greater than, less than 
 
Assume that the study found that 49 of the 100 college interns had unpaid internships and repeat​ (a). What is the test​ statistic?
 
ZStat=___ 
p-value=___
 
The result is__A___ part (a). __B__ the null hypothesis. There __C__ sufficient evidence that the proportion of college interns that had unpaid internships is __D__ 0.46 because the p-value is __E__ the level of significance. 
 
A: The same as, different from
B: Do not reject or reject
C:  is, is not
D: less than, different than, greater than
E: greater than, less than
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