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Number of Motorcycles

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Number of Motorcycles
The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family. Number of Motorcycles  The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family.   ​ ​ -{Number of Motorcycles Narrative} Find the standard deviation of X. ​ ​
-{Number of Motorcycles Narrative} Find the standard deviation of X.


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