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Science and Environment
4:08 pm
Tue July 22, 2014

Pop Quiz: 20 Percent Chance Of Rain. Do You Need An Umbrella?

Will it rain or not? How you interpret the forecast could mean the difference between getting soaked or staying safe.
Maria Pavlova iStockphoto

Originally published on Wed July 23, 2014 4:04 pm

This week, All Things Considered is exploring how people interpret probability. What does it mean to us, for example, when a doctor says an operation has a 70 percent chance of success?

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