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On Weekend Nights, a Large Urban Hospital Has an Average

Question 11

Multiple Choice

On weekend nights, a large urban hospital has an average of 4.8 emergency arrivals per hour. Let X be the number of arrivals per hour on a weekend night at this hospital. Assume that successive arrivals are random and independent.
What is the probability of observing exactly zero emergency arrival?


A) Nearly 0
B) 0.0082
C) 0.1118
D) 0.8230

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