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# AS 3.13 Overview

1

Overview

 Higher or lower card game

Review of Theoretical vs Experiential probabilities

The number of repeats required to get a probability estimate when drawing coloured balls from a box How many of each colour?(up to 3000 trials)

Concept: How many trials before the experimental probability is close to the actual probability?

How stats fool juries - Peter Donnelly

Nice clear videos by Brandon Foltz. Discrete Random Variable

Class notes pdf
Class Handout (print version)

6 sided dice simulation:

pg 63 - 65

2

Randomness

Concept: long run relative frequency Coin flipping 1-500 flips (allow macros) How the relative frequency graph varies but ends up very similar

Concept: that randomness is not smooth
Random scatter plot, Random plotting points
Random coin flip vs made up one Random coin flips H T T H T T H H...
Coin Toss interactive (www.shodor.org)

Are students familiar with randomness?

Class notes pdf
Class Handout (print version)

Random plotting points:

# Equally likely outcomes

##### A normal 6 sided die is rolled.

P(5)=

P(even)=
P(multiple of 3)=
P(less than 5)=
P(at least 2)=
P(not a 2)=