If the number of accidents occuring in an industrial plant during aa day is given by a Poisson random variable with parameter 3.

Find

i) probability that no accident occurs on a day

ii)the expected number of accidents per day.

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- January 7th 2009, 12:16 AMzorroPoisson Problem
If the number of accidents occuring in an industrial plant during aa day is given by a Poisson random variable with parameter 3.

Find

i) probability that no accident occurs on a day

ii)the expected number of accidents per day. - January 7th 2009, 06:53 AMmr fantastic
- January 7th 2009, 10:31 PMzorroThen is this right
probability of an accident happening in a day is

probability of accident happening is

Expected no. of accidents per day is

- January 7th 2009, 11:51 PMmr fantastic
- January 8th 2009, 01:04 AMzorrohw did u get E[x]
- January 8th 2009, 02:29 AMmr fantastic
No.

.

And the result of this calculation (which can be used without proof I would have thought unless the calculation is specifically asked for: http://www.mathhelpforum.com/math-he...tributiom.html) is .