• for a standard normal distribution, which of the following expressions must always be equal to 1?

  • Answers
  • The expression "1/(square root of 2 * pi * sigma)" must always be equal to 1 for a standard normal distribution.

    • Answered:

      Janelle Davila

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  • The expression (1/√(2π)) * e^(-x^2/2) must always be equal to 1 for a standard normal distribution.

    • Answered:

      Donna Wolfe

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