Question
X1 and X2 represent number of occurrences of event A
and 8 that follow Poisson distribution with mean rate 位1 and 位2 , If Y1 and Y2 are inter-occurrence times of event A and B, then min(Y1, Y2 ) follows 1.聽聽聽聽聽聽 Exponential distribution with mean rate min (位1, 位2 ) 2.聽聽聽聽聽聽 Exponential distribution with mean rate (位1 + 位2 ) 3.聽聽聽聽聽聽 Poisson distribution with mean rate (位1 - 位2 ) 4.聽聽聽聽聽聽 Poisson distribution with mean rate (位1 + 位2 )Solution
The correct answer is B
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