Multiple Choice
The random variable x is the number of houses sold by a realtor in a single month at the Sendsom's Real Estate Office.Its probability distribution is as follows.Find the standard deviation of the number of houses sold. 
A) 6.86
B) 2.62
C) 1.62
D) 2.25
E) 4.45
Correct Answer:

Verified
Correct Answer:
Verified
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