Answer:
Step-by-step explanation:
Let be , which can be simplified solely by algebraic means. We proceed to describe all the steps needed for simplification:
1) Given.
2) Distributive and associative properties.
3)
/Result
The number of telephone calls that arrive at a phoneexchange is often modeled as a Poisson random variable. Assumethat on the av
erage there are 10 calls per hour. Determine the followingprobabilities:a. exactly 5 calls in one hourb. 3 or fewer calls in one hourc. exactly 15 calls in two hoursd. exactly 5 calls in 30 minutes
1 answer:
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