Question

Determine the cumulative distribution function for the following distribution:

f(x) = e^-x for x > 0.

Answer 1

$$
\Large \int_{0}^{ x}e^{-t}~ dt = 1 - e^{-x}
$$

Answer 2

that was what I thought , but Wiley plus (Homework website) is asking for a value

Answer 3

its a skipper , hahaha

Answer 4

thats the cumulative distribution function

Answer 5

no other information was provided . Thanks anyways

Answer 6

you can call the cumulative distribution function F(x)