The Student Room Group
Reply 1
wonderboy
How do you plot x~B(4,0.3) on a graph, I have the answer scheme (june 2003) and it plots a bar chart from 0-4, but I am not sure where they got the Y values from.
Is there some binomial formula I have forgotten :redface:
Tanx, W

You can use P(X=a) = 4Ca * (0.3)^a * (0.7)^(4-a)
Reply 2
thank you please :smile:

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