The number of felonies arrested per day with its corresponding probabilities, is shown below. Find the σ2 and σ of the probability distribution.   number of felonies arrested per day (x)   76   78   81   82   85 Probability (y)   0.35

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  • The number of felonies arrested per day with its corresponding probabilities, is shown below. Find the σ2 and σ of the probability distribution.

 

number of felonies arrested per day (x)

 

76

 

78

 

81

 

82

 

85

Probability (y)

 

0.35

 

0.40

 

0.40

 

0.30

 

0.45

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