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The height of adult women in the U.S. is normally distributed, with a mean height of 64 inches and a standard deviation of 3 inches. With this in mind, answer the following:

a) The shortest 10% of women are shorter than what height?
b) The middle 75% of all women are between what two heights?
c) The tallest 5% of women are taller than what height?

I'm so confused. Please help.

  • stats - ,

    Try using this website for making calculations that require the normal distribution function.
    http://psych.colorado.edu/~mcclella/java/normal/accurateNormal.html

    For part a), I get
    60.15 inches.
    For art (c), I get 68.94 inches

    I had to guess the limits and see what the fractions fell within those limits, using the computation tool provided. Some iteration was required.

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