Los Angeles Math Circle 
5/2  Group B: Introduction to Probability (Tim Austin)This is the first in a series of 2 meetings.
Mathematical probability emerged from the study of gambling, statistics, and the observed outcomes of experiments that are subject to some ‘random’ external in fluences. Here we will introduce some of its basic concepts:
1. Sample space and events; 2. Probability functions; 3. Random variables and expectation.
