SOLUTION: In a survey of a company, mean salary of employees is $29,321 with SD of $2,120. Consider the sample of 100 employees and find the probability that their mean salary will be less t

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Question 1161982: In a survey of a company, mean salary of employees is $29,321 with SD of $2,120. Consider the sample of 100 employees and find the probability that their mean salary will be less than $29,000?

Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!

On your TI-84,

press 2nd vars 2

lower:-1E99           <--for the E, press 2nd, then press the comma key.
upper:29000
μ:29321
σ:2120/√(100)         <--for √( press 2nd then x² 
Paste                 <--scroll down with down arrow key to highlight Paste

press enter

normalcdf(-1E99,29000,29321,2120/√(100))

press enter

0.0649938037          <--answer

Edwin
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