A competency test is modified so that the proportion of test-takers that pass is more than 75%. A simple random sample of test-takers is collected to determine if the proportion of passers is greater than 75%. The results of the sample are shown below. Number passed = ____________   Sample proportion p^=__________________

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A competency test is modified so that the proportion of test-takers that pass is more than 75%. A simple random sample of test-takers is collected to determine if the proportion of passers is greater than 75%. The results of the sample are shown below.

Number passed = ____________
 
Sample proportion p^=__________________
 
 
 
 
 
 
 
 
 
Competency test sample
passed
82
Observations
100
Confidence Level
0.95
Critical value
1.64
test statistic (z)
1.72
p =
p-value
0.053
to
Transcribed Image Text:Competency test sample passed 82 Observations 100 Confidence Level 0.95 Critical value 1.64 test statistic (z) 1.72 p = p-value 0.053 to
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