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October 21, 2014

October 21, 2014

Posted by **dee** on Friday, September 23, 2011 at 11:43pm.

x P(x)

0 0.061

1 0.132

2 0.255

3 0.345

4 0.207

a)Is this a probability distribution? How do you know?

b)What is the mean number of passengers left at the gate?

c)What is the variance of the number of passengers left at the gate?

d) What is the standard deviation of the number of passengers left at the gate?

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