Math

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Suppose that the weight of tomato juice in mechanically filled cans follows a normal distribution with a mean ƒÝ of 464 grams and a standard deviation ƒã of 8 grams. What proportion of cans contain between 454 and 474 grams of tomato juice?

  • Math -

    the beauty of this applet is that you can enter the data values as is, without changing them to z-scores.

    http://davidmlane.com/hyperstat/z_table.html

    Since these kind of questions require the use of tables anyway, I don't see the harm of using the above program directly.

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