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At a small hospital emergency calls are received at random times at an average rate of 1 call per hour.
Suppose that fifty shifts at this hospital, each of which is eight hours long, are considered. What is the probability that the average number of emergency calls received during these shifts exceeds nine?
 one year ago
 one year ago
At a small hospital emergency calls are received at random times at an average rate of 1 call per hour. Suppose that fifty shifts at this hospital, each of which is eight hours long, are considered. What is the probability that the average number of emergency calls received during these shifts exceeds nine?
 one year ago
 one year ago

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