# Fight Finance

#### CoursesTagsRandomAllRecentScores

 Scores keithphw $6,001.61 Zin$1,502.43 Carolll $1,433.33 Visitor$1,268.61 cuiting $1,249.70 Jade$1,145.80 Visitor $1,108.33 Skywalke...$1,070.00 Visitor $1,051.28 mm11$1,050.33 ninalee $1,039.70 Visitor$1,024.70 Visitor $1,005.61 Visitor$966.00 victor $934.70 zy$919.70 Doris $889.70 Visitor$840.00 Yuan $823.33 Emma Lu$810.00

If a variable, say X, is normally distributed with mean $\mu$ and variance $\sigma^2$ then mathematicians write $X \sim \mathcal{N}(\mu, \sigma^2)$.

If a variable, say Y, is log-normally distributed and the underlying normal distribution has mean $\mu$ and variance $\sigma^2$ then mathematicians write $Y \sim \mathbf{ln} \mathcal{N}(\mu, \sigma^2)$.

The below three graphs show probability density functions (PDF) of three different random variables Red, Green and Blue.

Select the most correct statement: