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Statistics

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women's heights are normally distributed with a mean 63.1 in and standard deviation of 2.5. A social organization for tall people has a requirement that women must be at least 69in tall. What percentage of woman meet that requirement?

The percentage of woman that are taller than 69in is __%

  • Statistics -

    z = (69-63.1)/ 2.5
    z = 5.9/2.5
    z = 2.36

  • Statistics -

    z = (69-63.1)/ 2.5
    z = 5.9/2.5
    z = 2.36

    Once you have z-scores, check a z-table for the probability scores. Convert to a percentage.

  • Statistics -

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