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The frequency table below summarises 320 counts, Value 0 1 2 3 4 Freq 130 133 49 7 1 modelled as values taken by i.i.d. random variables with common Bin(4, p) distribution, i.e. 4 P(X= :12): (x)p'~'(1p)4-'~', for :1: = 0,1,2,3,4 for some unknown p. (a) Recall E(X) 2 up, estimate 33 using the method of moments. (b) Using (a), nd expected frequencies (E) for each of the classes \"0\