Continuous Variable: can take on any value between two specified values. Obtained by measuring. Discrete Variable: not continuous variable (cannot take on any value between two specified values).

Density functions are nonnegative for all real numbers but greater than zero only at a finite or countably infinite number of points. Density functions are nonnegative for all real numbers and are ...

The total area under the curve must equal 1, representing the fact that the probability of some outcome occurring within the entire range is certain. \[\int_{-\infty}^{\infty}f\left(x\right)dx=1\] ...

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Vol. 33, No. 12, HYDROLOGICAL AND METEOROLOGICAL ASPECTS OF RAINFALL MEASUREMENT AND PREDICTABILITY (December 1994), pp. 1543-1550 (8 pages) The paper considers a mixture of two and three lognormal ...