Suppose that the random variable X is the time taken by a garage to service a car.These times are distributed between 0 and 10 hours with a cumulative distribution function:
F(x)=A+Bln(3x+2) for 0≦x≦10
a)Find the values of A and B
b)What is the probability that a repair job takes longer than two hours?
要步驟,thx~~~~~~
density function問題
2012-12-18 2:40 am
回答 (1)
2012-12-18 4:16 am
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