A biased die is thrown thirty times and the number sixes seen is eight. If the die is thrown a further twelve times find the expected numbers of sixes and the variance of the number of sixes. * E(X)=3.1 and Var.=2.346 O None of the choices O E(X)=3.2 and Var.=2.346 E(X)=3.2 and Var.=2.347

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