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Back to 4.6 Poisson Distribution (Optional)

4.6 Exercise 12

Avg difficulty 2.5

Text message users receive or send an average of 41.5 text messages per day.

  1. How many text messages does a text message user receive or send per hour?
  2. What is the probability that a text message user receives or sends two messages per hour?
  3. What is the probability that a text message user receives or sends more than two messages per hour?

OpenStax Statistics, 4.6 Poisson Distribution (Optional), exercise 12

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