Find the probability of the sun shining in Seattle in this math puzzle.How do you tell when you run out of invisible ink?
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Sunless in Seattle Math Puzzle

Math Puzzles

 

Find the probability of the sun shining in Seattle in this math puzzle.

It is a well known fact that on average in Seattle, Washington, the sky will be cloudy for two days out of every three.

What is the probability that the sun will be shining on at least 4 out of 5 specified days in the future?

From an Oxford exam

Click to find the answer to this math puzzle.

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