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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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