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From Business: Accounting , Mathematics: Statistics
Due on Nov. 30, 2009
Asked on Oct. 30, 2009 at 09:26:50AM

Q:

An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of two emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution.

1.   What is the probability Linda Lahey, company president, received exactly 1 email between 4 P.M. and 5 P.M. yesterday?

What is the probability she received 5 or more email during the same period?

What is the probability she did not receive any email during the period?

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Posted on Oct. 30, 2009 at 09:31:42AM

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Preview: ... nt, received exactly 1 email between 4 p.m. and 5 pm yesterday. Answer: P(X=1)=2e^(-2) b. What is the probability she received 5 ...

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Posted on Oct. 30, 2009 at 09:32:42AM

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Preview: ... oney Back ...

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Posted on Oct. 30, 2009 at 09:58:06AM

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Preview: ... .M. yesterday)=P(X=1) 0.270671 b) P(she received 5 or more email ...

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Posted on Nov. 09, 2009 at 06:33:32AM

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Preview: ... ached the ...

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