Question: The probability density function for the number of fatal traffic accidents was found to be where t is the number of hours since midnight on

The probability density function for the number of fatal traffic accidents was found to beS(t) = 1 100,716 (-2.0671+ 78.9712-704.6t+4633),

where t is the number of hours since midnight on [0, 24]. Calculate the expected time of day at which a fatal accident will occur.

S(t) = 1 100,716 (-2.0671+ 78.9712-704.6t+4633),

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