My friend and I agree to meet during our lunch hour. If we each decide to wait for 15 minutes, what is the probability that we will meet? How long should we agree to wait in order to have a 50% chance of meeting? How long for an 80% chance?
A version of this problem was set as the final question for the 2005 New South Wales Higher School Certificate examination in Mathematics. Copyright is held by the New South Wales Board of Studies.
http://compasstech.com.au/TNSINTRO/TI-NspireCD/Exemplary_Activities_PDF/Act5_MeetaFriend.pdf
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-Lesson
-Practice
-TI-NSPIRE
Click on the link/label of those names to see all the posts that are filed under that category.
Lessons are reviews of notes from the textbook.
Practice questions are extra material for students to use.
Lots of space is left between the question and answer to give students the opportunity to explore the question before jumping to the result.
TI-NSPIRE activities are fun problems to enhance the learning of graphing.
Links are given as lesson plans.
Tuesday, December 1, 2009
Activity 5: Meeting a Friend
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