The Blacktop Speedway is a supplier of automotive parts. Included in stock are 8 speedometers that are correctly calibrated and two that are not. Three speedometers are randomly selected without replacement. Let the random variable x represent the number that are not correctly calibrated.

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The Blacktop Speedway is a supplier of automotive parts. Included in stock are 8 speedometers that are correctly calibrated and two that are not. Three speedometers are randomly selected without replacement. Let the random variable x represent the number that are not correctly calibrated.

 

x P(x)
0  
1  
2  
3  

 

Find the mean of this probability distribution. (Appropriate rounding rules apply.)

mean =

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