Question

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

Answer 1

Answer:

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