Historical Data Show That the Average Number of Patient Arrivals

question 101

Multiple Choice

Historical data show that the average number of patient arrivals at the intensive care unit of General Hospital is 3 patients every 2 hours. Assume that the patient arrivals are distributed according to a Poisson distribution. Determine the probability of at least 4 but no more than 8 patients arriving in a three-hour period.

• A) .3813
• B) .5711
• C) .4276
• D) .7861
• E) .6174

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