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Salespeople for a car sales company have an annual sales average of $225,000, with a standard
deviation of $18,000. What percentage of the salespeople will make the following sales?
Assume the sales follow a normal distribution.
a. More than $250,000
b. Less than $190,000
c. Between $200,000 and $240,000​

Respuesta :

Answer:

About 68% will make between $200000 and $240000.

Step-by-step explanation:

C. About 68% will make between $200000 and $240000.  If the standard deviation is $18,000, then add that to $225000.  That equals $243000.  Subtract $18000 from the average, you end up with $207000.  So it is close, but about 68% will make between $200000 and $240000.  

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