Exhibit 6-9 The Average Price of Personal Computers Manufactured by MNM Company

Multiple Choice

Exhibit 6-9
The average price of personal computers manufactured by MNM Company is $1,200 with a standard deviation of $220. Furthermore, it is known that the computer prices manufactured by MNM are normally distributed.
-Refer to Exhibit 6-9. If 513 of the MNM computers were priced at or below $647.80, how many computers were produced by MNM?

A) 185,500
B) 85,500
C) 513,000
D) not enough information is provided to answer this question