On cloudy days, Lucy has ramen for lunch with probability 0.4. On non-cloudy days, she has ramen with probability 0.2. We know she's having ramen tomorrow. What's the probability that it's cloudy tomorrow?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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On cloudy days, Lucy has ramen for lunch with probability 0.4.
On non-cloudy days, she has ramen with probability 0.2.
We know she's having ramen tomorrow.
What's the probability that it's cloudy tomorrow?
Transcribed Image Text:On cloudy days, Lucy has ramen for lunch with probability 0.4. On non-cloudy days, she has ramen with probability 0.2. We know she's having ramen tomorrow. What's the probability that it's cloudy tomorrow?
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