Multiple Choice
The following probability distribution represents the number of bedrooms in a randomly selected US household.To simplify matters, the category "five or more" is replaced by "5" (Source: US Census, American FactFinder) .Calculate the variance of the number of bedrooms per household.
A) 0.017
B) 1.070
C) 1.145
D) 2.917
E) 3.215
Correct Answer:

Verified
Correct Answer:
Verified
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