Problem 3 possible (graded, results hidden) On an average, 8.0 calls are received by a telephone operator every 10 minutes. a. What is the probability that an operator will receive 30 calls over a...

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Extracted text: Problem 3 possible (graded, results hidden) On an average, 8.0 calls are received by a telephone operator every 10 minutes. a. What is the probability that an operator will receive 30 calls over a span of 50 minutes? Answer in exact fraction, or rounded to at least 4 decimal places. b. What is the probability that an operator will receive more than 5 calls in 10 minutes? Answer in exact fraction, or rounded to at least 4 decimal places.