Question: To find the corresponding z-score for a given area under the normal distribution curve, you first need to clarify what area of .8315 means in

To find the corresponding z-score for a given area under the normal distribution curve, you first need to clarify what "area of .8315" means in relation to the total area of the normal distribution curve. A normal distribution has a total area of 1 (or 100%) when considered in terms of probabilities. If you need to find the z-score corresponding to a given area, it is common to express that area as a proportion

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