SOLUTION: The mean age of new professors of an organization is 40 with a standard deviation of 6 . Between which two age limit must 75% of the professors lie?
a) [28, 52]
b) [30, 50]
c
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-> SOLUTION: The mean age of new professors of an organization is 40 with a standard deviation of 6 . Between which two age limit must 75% of the professors lie?
a) [28, 52]
b) [30, 50]
c
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Question 1042965: The mean age of new professors of an organization is 40 with a standard deviation of 6 . Between which two age limit must 75% of the professors lie?
a) [28, 52]
b) [30, 50]
c) [34, 46]
d) None of these Answer by robertb(5830) (Show Source):
You can put this solution on YOUR website! Apply Chebyshev's Theorem ,
with and .
Now let k = 2.
This will yield .
===> .
Therefore the answer is a) [28, 52].
