Back to 4.6 Poisson Distribution

4.6 Exercise 30

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. Give the distribution of X. X ~ _____(_____,_____)
  4. Find the probability that she has no children.
  5. Find the probability that she has fewer children than the Spanish average.
  6. Find the probability that she has more children than the Spanish average .

OpenStax Introductory Statistics 2e, 4.6 Poisson Distribution, exercise 30

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