Question 265165: The mean gross annual incomes of certified tack welders are normally distributed with the man of $20,000 and a standard deviation of $2,000. The shop building association wishes to find out whether their tack welders earn more of less than $20,000 annually. The alternate hypothesis is that the mean is not $20,000.
what is the alternate hypothesis?
Found 2 solutions by beachboyz, stanbon:
Answer by beachboyz(1)   (Show Source):
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The mean gross annual incomes of certified tack welders are normally distributed with the mean of $20,000 and a standard deviation of $2,000.
The shop building association wishes to find out whether their tack welders earn more of less than $20,000 annually. The alternate hypothesis is that the mean is not $20,000.
what is the alternate hypothesis?
Ans: The alternate hypothesis is that the mean is not $20,000.
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Cheers,
Stan H.
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