11. Chance Talk About


Think About What are the chances of you guessing the month in which your teacher’s birthday falls?


There is a in chance of guessing correctly.


What would the chances be if you knew that s/he was born in winter? What about if s/he was were born in a month that has the letter m in it? Now make up your own possibilities and try them out on your friends.


Exploring Outcomes of Random Processes


1. Roll 2 dice. Add the numbers shown on the dice. Now roll the dice again. Find the total again. Did you get the same answer? Try it a few more times and keep a record of the totals of the numbers. Now compare your results with those of the people around you. How many possible results do you think there are? Fill in this table with all of the possible outcomes. The first few have been done for you.


Total 2 3 4


Combinations of dice that give this total 1 + 1 2 + 1


1 + 3, 2 + 2


Strand: Data 80


Curriculum Objectives: Identify and list all possible outcomes of simple random processes;


estimate the likelihood of occurrence of events;


order on a scale from 0 to 100%, 0 to 1; construct and use frequency charts and tables.


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