12) A statistics professor finds that when he schedules an office hour at the 10:30 a.m. 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) 0.1225 B) 0.0743 C) 0.1108 D) 0.0498

Fig: 1

Fig: 2