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Mathematics 22 Online
OpenStudy (amorfide):

http://www.ocr.org.uk/download/pp_10_jun/ocr_57458_pp_10_jun_gce_4732.pdf i can not do question 4 and 5 i missed the lesson on this please explain?

OpenStudy (anonymous):

How about typing the questions so we don't have to download document before helping you?

OpenStudy (amorfide):

The random variable W has the distribution B(10,1/3). Find (a) P(W≤2) (b) P(W=2) (ii) The random variable X has the distribution B(15, 0.22) (a) Find P(X=4) (b) Find E(X) and Var(X)

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