Question
A review of emergency room records at rural Millard Fellmore Memorial Hospital was performed to determine the probability distribution of the number of patients entering
A review of emergency room records at rural Millard Fellmore Memorial Hospital was performed to determine the probability distribution of the number of patients entering the emergency room during a 1-hour period.
The following table lists this probability distribution.
Patients per hour Probability
0 - 0.2725
1 - 0.3543
2 - 0.2303
3 - 0.0998
4 - 0.0324
5 0.0084
6 0.0023
Determine the probability that the number of patients entering the emergency room during a randomly selected 1-hour period is
a) 2 or more
b) exactly 5
c) fewer than 3
d) at most 1
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