A certain event has only three possible outcomes.

Theprobabilities of the first two outcomes are 0.3 and 0.4. What

isthe probability of the third outcome?

Answer:probability of the third outcome is 0.3

Step-by-step explanation: the summation of all possible event of a probability must be equal to 1. If two events have 0.3 and 0.4, the remaining third event is 0.3. Adding 0.3 and 0.4 and subtracting them from 1.