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In: Statistics and Probability

Sports Score Hot Line Calls (Optional) Sports Scores Hot Line receives, on the average, 11 calls...

Sports Score Hot Line Calls (Optional) Sports Scores Hot Line receives, on the average, 11 calls per hour requesting the latest sports scores. The distribution is Poisson in nature. For any randomly selected hour, find the probability that the company will receive

a. At least 7 calls

b. 4 or more calls

c. At most 9 calls

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