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A math professor finds that when she schedules an office hour for student help, an average of 2.12.1 students arrive. find the probability that in a randomly selected office hour, the number of student arrivals is 11.

User Medalib
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1 Answer

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poisson distribution with mean m=1.9
P[k] = e^-m *m^k/k!
p[5] = e^-1.9 *1.9^5/5! =0.0309 <----
User Jae Carr
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