### Paper Reference(s) 6683/01 Edexcel GCE

A packing plant fills bags with cement. The weight X kg of a bag of cement can be modelled by a normal distribution with mean 50 kg and standard deviation 2 kg. (a) Find P(X > 53). (3) (b) Find the weight that is exceeded by 99% of the bags. (5) Three bags are selected at random. (c) Find the probability that two weigh more than 53 kg and one ...Details