A Statistics Professor Finds That When He Schedules an Office

Multiple Choice

A statistics professor finds that when he schedules an office hour at the 10:30 a.m. time slot, an average of three students arrive. Use the Poisson distribution to find the probability that in a randomly selected office hour in
The 10:30 a.m. time slot exactly two students will arrive.

A) 0.2241
B) 0.6091
C) 0.1992
D) 0.5415