SOLUTION: assume that the salaries of elementary teachers are nomally distributed with a mean of $36,000 and a standard deviation of $6000. what is the cutoff salary for teachers in the bot
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Question 293653: assume that the salaries of elementary teachers are nomally distributed with a mean of $36,000 and a standard deviation of $6000. what is the cutoff salary for teachers in the bottom 10%?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
assume that the salaries of elementary teachers are nomally distributed with a mean of $36,000 and a standard deviation of $6000. what is the cutoff salary for teachers in the bottom 10%?
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Find the z-value that has a left tail of 10%:
Ans: invNorm(0.10) = -1.2816...
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Find the corresponding x-value using x = zs+u
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x = -1.2816*6000+36000
x = $28310.69
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Cheers,
Stan H.
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