Unit Test #69
Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.
The random variable X has a Poisson distribution with parameter λ = 1.7.
Find P(X = 2)
A B C D
The discrete random variable X = the number of trains leaving Wellington railway station each day that are delayed.
If the average number of delayed trains is 4, what is the probability that exactly 3 trains will be late?
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