SOLUTION: A statistics professor finds that when he schedules an office hour at the 10:30 am time slot, an average of three students arrives. Use the Poisson distribution to find the probabi

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Question 1171975: A statistics professor finds that when he schedules an office hour at the 10:30 am time slot, an average of three students arrives. Use the Poisson distribution to find the probability that in a randomly selected office hour no students will arrive.
A) 0.1108
B)0.0498
C) 0.0743
D) 0.1225

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This is e^(-3)*3^0/0!
=e^(-3)
=0.0498
B