Log, normal. The lognormal distribution with base e logs has the cumulative distribution function
![](https://test.transtutors.com/qimg/75681189-6ab8-4d3a-9ca6-704a3059860e.png)
where p' is the mean and µ' is the standard deviation of log, life. Obtain the formula for the following. (a) 100Pth percentile.
(b) density v( ).
(c) Mode.
(d) Mean.
(e) Variance.
(f) Hazard function.
(G) probability Relationship between µ' and σ' and the p and u of the same lognormal distribution expressed with base 10 logs.