0506-Ch0506-ExpectedValue_SD_Covariance.xlsx
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1. How to find the expected value and SD
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Number of outages
Frequency
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033
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129
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220
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318
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2. How to find the covariance given the joint probabilities
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Number of outagesNumber of WiFi clientsP(X,Y)
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015000.3
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125000.25
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237500.25
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350000.2
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