STAT 100 Lecture Notes - Lecture 9: Fair Coin, Randomness

• School: Simon Fraser University
• Department: Statistics
• Course: STAT 100
• Professor: Derek Bingham

Document Summary

Almost all physical processes are impacted by randomness. Plane crashes your parents are flying home during a rainstorm. Chance meeting you are on vacation and meet your ex" at the airport. Dreams friend dreams of her father the night he dies. Best to take a probability perspective (rational thought about the chance occurrence rather than an emotional response) Bedtime reading: struck by lightning: the curious world of probabilities, by j. rosenthal. Chance - general word to describe things that are not within our ability to control or observe: uncertainty, variability, unpredictability, randomness. Random experiment or random phenomenon is any action whose outcome is uncertain. Thinks we don"t know or can"t control, but are there nonetheless. S = { (h, t), (t, h), (t, t), (h, h) } Probability: use of mathematics to describe the patterns formed by chance, distributions, densities. Fraction (proportion) of times you expect a particular outcome.