2.4 Statistical Distributions

A variable $X\,$ is normally distributed. Given $P (X < 52) = 0.2$ and $P (X > 60) = 0.3$

Find the mean and standard deviation of $X$ .

[6]

A variable $X\,$ is normally distributed. Given $P (X < 52) = 0.2$ and $P (X > 60) = 0.3$

Find the mean and standard deviation of $X$ .

[6]

2.4 Statistical Distributions Questions