Solution to The Impossible Bet

Solution to The Impossible Bet

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

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The video discusses a gambling scenario where 100 people must find their own dollar bill in one of 100 boxes, with each person allowed to check 50 boxes. Random selection yields a near-zero success probability. However, a strategy using chains formed by the dollar bills in the boxes can increase the success rate to over 30%. This strategy involves starting at the box corresponding to one's number and following a path dictated by the bills, ensuring collective success or failure. The video emphasizes the importance of linked outcomes and concludes with a sponsor acknowledgment.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of all participants finding their bill if they choose boxes randomly?

1/100

1/50

1/10

1/2 to the power of 100

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key element of the strategy that increases the chance of winning?

Choosing boxes in numerical order

Using the dollar in one box to guide to the next

Selecting boxes based on weight

Picking boxes based on color

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of winning using the strategy compared to two people picking randomly?

30%

50%

75%

25%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the strategy affect the outcome for all participants?

It increases individual odds but not collective success

It guarantees a win for at least one person

It links all successes and failures together

It decreases the chance of winning for everyone

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the longest possible chain that can be formed in the strategy?

50 boxes

75 boxes

100 boxes

25 boxes