Let p denote the probability of some event.
Plot the amount of information gained by the occurrence of this event for 0 £ p £ 1.
A source emits one of four possible symbols during each signaling interval. The symbols occur with the probabilities
![1216_Equation 2.jpg](https://secure.tutorsglobe.com/CMSImages/1216_Equation%202.jpg)
which sum to unity as they should. Find the amount of information gained by observing the source emitting each of these symbols.