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Suppose that the heights of female adults in the US are normally distributed with a mean (µ) of 65.4 inches and a standard deviation (σ) of 2.8 inches. Let X denote the height of a randomly chosen adult female. Find the probability that X is between 66 and 70 inches:

  • statistics -

    Just enter the values into Dave Lane's excellent page
    http://davidmlane.com/normal.html

    enter the mean and sd
    click on between and enter 66 and 70 to get

    .365

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