A machine on average produces 4 defective items out of a batch of 100 items.(adsbygoogle = window.adsbygoogle || []).push({});

Find the probability that a batch of 50 items has 3 defective items in it using the Poisson probability distribution.

the problem is..

i just want to know the mean or average value for batch of 50 items..

i got mean = 2

because for 100 items, the mean is 4..

............for 50 items, the mean would be 2..

correct?

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# Homework Help: Probability (Poisson)

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