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. The average age at which a woman gets married in the U.S. is µ = 27 with a standard deviation of σ = 5.5. Use this information to answer the following questions. Show Your Work!
A. What proportion marries at age 30 or more?

  • statistics - ,

    Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

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