The Student Room Group

The binomial equation

For the edexcel a level stats paper do we actually need to know the binomial equation p(X=r) = (n choose r)p^r(1-p)^(n-r)
or is it enough to know how to find the binomial probability in the calculator? like would they ever ask for us to use this equation
thanks :smile:
Original post by nannyplums
For the edexcel a level stats paper do we actually need to know the binomial equation p(X=r) = (n choose r)p^r(1-p)^(n-r)
or is it enough to know how to find the binomial probability in the calculator? like would they ever ask for us to use this equation
thanks :smile:

its in the formula booklet
Reply 2
Original post by aannoonnymouss22
its in the formula booklet

do we need to know how to use it tho

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