2 02 Organising Outcomes of Compound Events Page


















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2: 02 Organising Outcomes of Compound Events Page 34
Objectives of learning • Students will be able to: organise the complete sample space of a compound event using: Lists, Tables or Tree diagrams
Khalifa bin zayed School Example : Ali tosses two coins and wants to show us all possible outcomes using a list, a table and a tree diagram Abu Dhabi Education Council Name___________ Grade 10 / H : Head and T : Tail Using a list : {(H , T) , ( H { H, T } x { H, T } = , H ) , ( T Using a table , H ) , ( T , T ) H } T H ( H , H ) ( H , T) T (T, H) (T, T )
Tree Diagrams Example • Using a tree diagram. Sample Space H H you could got H get… Now. If you T YOU On the first flip you could get…. . H Now. Ifyou youcould got Tget… T T
For example – 8 coloured balls in a bag – 3 Red, 2 Blue , 3 Orange. One taken, colour noted, returned to bag, then a second taken. 1 st 2 nd R B O R RR B RB O R RO BR B BB O R BO OR B OB O OO INDEPENDENT EVENTS
Tree Diagram. Closet Example • Mr. hamad’s 3 Shirts 2 Pairs of Shoes 2 Pants
Dress Mr. • List all of hamad Mr. hamad’s outfits 1 2
Dress Mr. • List all of hamad Mr. hamad’s outfits 1 2 3 4
Dress Mr. • List all of hamad Mr. hamad’s outfits 1 2 3 4 5 6
Dress Mr. • List all of hamad Mr. hamad’s outfits 1 2 3 4 5 6 7 8
Dress Mr. • List all of hamad Mr. hamad’s outfits 1 2 3 4 5 6 7 8 9 10
Dress Mr. • List all of hamad Mr. hamad’s outfits 1 2 3 4 5 6 7 8 9 10 11 12
Dress Mr. • List all of hamad Mr. hamad’s outfits 1 2 3 4 5 6 7 8 9 10 11 12
Multiplication Rule of Compound Events If… • X = total number of outcomes for event A • Y = total number of outcomes for event B • Then number of outcomes for A followed x times y by B = _____
Multiplication Rule: Dress Mr. Arnold • Mr. Reed had 3 EVENTS 2 shoes 2 pants 3 shirts How many outcomes are there for EACH EVENT? 2(2)(3) = 12 OUTFITS
Example: 5 People, 5 Chairs 5 4 3 • The bat mobile has 5 chairs. • There are 5 people who need a lift. • How many seating options are there? 2 1 =120 Seating Options Multiply!! This is a PERMUTATION of 5 objects
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