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Hi again,
Thanks for the reply. I was just wondering, to work out the probability of 4 or more computers failing, would it be better to just work out the probability of 4 failing or should I calculate the probability of 0,1,2,3 computers failing?
I have a question with which i'm unusre on what method to answer it:
'You are a quality manager at a computer company that delivers 1500 computers each week. On average 2 computers fail to work on arrival
(i) Name a probability distribution that could be used to model this situation
(ii) This week 4 computers fail to work on arrival. What is the probability of 4 or more computers failing to work, calculated using the distribution you have chosen'
I was leaning towards the decision of using poisson distribution because the question doesn't give an exact probability.
Am I correct in doing this?
Thanks
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