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8.6 Exercise 9

Avg difficulty 2.5
  1. If data are distributed normally with mean 100 and standard deviation 20, between what two values will 68% of the data fall?
  2. If data are distributed normally with mean 0 and standard deviation 15, between what two values will 95% of the data fall?
  3. If data are distributed normally with mean 14 and standard deviation 2, between what two values will 99.7% of the data fall?

OpenStax Contemporary Mathematics, 8.6 The Normal Distribution, exercise 9

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Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.