# 110207u - AGENDA Continuous Random Variables Normal...

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Sheet1 Page 1 AGENDA Continuous Random Variables Normal Distribution Normal Approximation to the Binomial Uniform Distribution Lognormal Distribution NORMAL DISTRIBUTION Most important distribution Frequently encountered in both Nature Man made processes AKA Bell curve Gaussian distribution Particular properties Symetrical about the mean 68% of observations are found +- 1 std from mean 95% of observations are found +- 2 std from mean 99.7% of observations are found +-3 std from mean NORMAL DISTRIBUTION NORMAL DISTRIBUTION NORMAL DISTRIBUTION NORMAL DISTRIBUTION STANDARD NORMAL DISTRIBUTION STANDARD NORMAL DISTRIBUTION USING THE STANDARD NORMAL TABLES The Norm (0,1) is tabulated (table 3) The z value is on the perimeter of the table Vertical to one decimal place Horizontal to two decimal places Cumulative probability is in the inside of the table You can find The probability associated with a given z value The z value associated with a given probability CALCULATING SOME STANDARD NORMAL PROBABILITIES

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