Normal Distribution - Bell Curve, Areas, Probabilities, PDF, CDF, How it All Works

We learn how to calculate areas under the normal distribution bell curve to calculate probabilities, of left tails, right tails and central areas. We start by learning what the probability density function, pdf, does as well as what the role of the cumulative probability density function, cdf, is. Three examples are given and in each case we clearly show how to calculate the area with the calculator.

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