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4.4 Exercise 43

Avg difficulty 2.5

Use the following information to answer the next two exercises: The average number of times per week that Mrs. Plum’s cats wake her up at night because they want to play is ten. We are interested in the number of times her cats wake her up each week.

Find the probability that her cats will wake her up no more than five times next week.

  1. 0.5000
  2. 0.9329
  3. 0.0378
  4. 0.0671

OpenStax Introductory Business Statistics 2e, 4.4 Poisson Distribution, exercise 43

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Adapted from Introductory Business Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Business Statistics 2e. Imported at revision 50ec917.