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 standard deviation of the distribution of X?
A) 23.04
B) 4.8
C) 2.19
D) It depends on the number of emergency arrivals sampled.
Correct Answer:
Verified
Correct Answer:
Verified
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