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If there is a chance of rain of 10% on any day, how do I find the chance that it rains on Saturday OR Sunday?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

If there is a chance of rain of 10% on any day, how do I find the chance that it rains on Saturday OR Sunday?

Expert Solution

Step 1

$P (A o r B) m e a n s P (A \cap B) P (A & B) m e a n s P (A \cup B) P (A \cap B) = P (A) + P (B) - P (A \cup B)$

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