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1. A shop sells a particular computer at the average rate of 5 per week, the number sold follows a poisson distribution

a)find the probability that at least 2 computers are sold during a given week

b)find the smallest number that can be in stock at the start of the week for there to be at least a 99% chance of being able to meet the demand for that week

a)0.9595
b) mean = 5, 11 down in the table (0.9945)
2. Yes and yes,
3. Going to pull this thread out of the history books and ask how you got the two answers you did jermaindefoe?

I have been given those questions as well and I got a completely different answer to you!

Could you provide your method to working it out?
4. (Original post by Dj2013)
Going to pull this thread out of the history books and ask how you got the two answers you did jermaindefoe?

I have been given those questions as well and I got a completely different answer to you!

Could you provide your method to working it out?
Did you somehow search for this particular question

After 5 years it is unlikely that the OP is still doing much stats work - why did you not start a new thread
5. Yeh, I searched for it!

Well I bumped it in the hope that he might have done. I will start a new one though!

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Updated: November 16, 2013
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