RandomFloatingPoint: Generates a number for noncryptographic purposes. Returns a random floating-point number that is greater than or equal to 0.0, and less than 1.0.

RandomForCryptographic: A Better Random Number Generator - Generates a random number for cryptographic purposes. 

RandomWithMax: Generates a number for noncryptographic purposes. Returns a non-negative random integer that is less than the specified maximum

RandomWithMinAndMax: Generates a number for noncryptographic purposes. Returns a random integer that is within a specified range.