Bet Your Coffee
by Dan Meyer
33
skips
skips
67
questions
questions
Act One
- Teacher noteOffer students a couple of scenarios. What would they do if only one other person's card in the bowl was competing with theirs for the prize? What would they do if 10,000 other people's cards were competing? So where is the number of people where you'd switch your decision?
Act Two
- Teacher noteTake this opportunity to introduce your students to the concept of expected value.
Act Three
Sequel
show 67 more questions
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My ? deals w/ rates. What is the average time it takes a customer to complete 1 punchcard? Thus, how many days do you have to put in a card?
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How much am I going to spend throughout the year to get this "free" drink?
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How many people does Small World Coffee need to forfeit their cards to profit from this contest?
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How can you get a free drink everyday if the restaurant is not open on holidays?
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