Summary Matric IEB probability

VENN DIAGRAMS
canbeusedtorepresentstatisticaldata

Example rolling a dice

samplespace 5 1234 56

Events
E is throwing an even number
E
E
is throwing an odd number
is throwing a multiple of 3
EE
E is throwing a 5 E4 5
E is throwing a number greater than 6 E5


s NETnidEz are
mutuallyexclusive
El EZ cannothappenatsametime disjointsets
E
1 Ei andEc are exhaustive between
2 themtheycover theentiresample
6 3 E4 space
4 5 E andEz are complementaryevents
Es E E2 eyEd Eat

E3 intersectswith EI or EzandE4
intersectswithEz
Es is an impossibleevent

, UNIFYING INTERSECTING EVENTS
Example 1:

Event A: drawing an ace out of a pack of 52 cards
Event B: drawing a heart
Event C: drawing anything else

PS PS
A B A B



C C


Intersectingevents and unifiedevents or

AMB A intersects B AUB AunifiedwithB
A and B A or B or both


Example 2:



A B




C

AnB nc