单项选择题

题1中，Yule过程的转移概率是P_ij(t)多少？

A．C_j-1^i-1 (1-e^(-λt))^(j-i)
B．C_j-1^i-1 (e^(-λt))^i
C．C_j-1^i-1 (e^(-λt))^i (1-e^(-λt))^(j-i)
D．(e^(-λt))^i (1-e^(-λt))^(j-i)

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问答题

Fill in the blank with one of the words given below. Change the form where necessary. marginal diversify project dispatch transformation infrastructure advocate retrieve deploy fluctuate Local people have mixed feelings about the planned ___________of their town into a regional capital.

单项选择题

A． B． C． D．

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