- #1

bennyska

- 112

- 0

## Homework Statement

Let

*F(x)*[itex]=\begin{cases}

.25e^{x} & -\infty<x<0\\

.5 & 0\leq x\leq1\\

1-e^{-x} & 1<x<\infty\end{cases}$. Find a CDF of discrete type,

*F_d(x)*and of continuous type,

*F_c(x)*and a number 0<a<1 such that

*F(x)*=aF_d(x)+(1-a)F_c(x)

[/itex]

## Homework Equations

## The Attempt at a Solution

don't really have any idea of where to begin. i have the answers in the book. any hint would be greatly appreciated.