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4.4 Exercise 35

Avg difficulty 2.5

The average number of children a Spanish woman has in her lifetime is 1.47. Suppose that one Spanish woman is randomly chosen.

  1. In words, define the Random Variable X.
  2. List the values that X may take on.
  3. Find the probability that she has no children.
  4. Find the probability that she has fewer children than the Spanish average.
  5. Find the probability that she has more children than the Spanish average .

OpenStax Introductory Business Statistics 2e, 4.4 Poisson Distribution, exercise 35

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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.