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Suppose that 60% of people have brown eyes and that 5% of people have red hair. We randomly select one person and note their eye and hair colors.   a. Biff states that the probability of a randomly selected person having either brown eyes or red hair is 60% + 5% = 65%. Briefly explain his mistake/what he forgot (do not just say what the answer should be)   b. Now you can tell me what the answer should have been if 2% of people have brown eyes and red hair.

Suppose that 60% of people have brown eyes and that 5% of people have red hair. We randomly select one person and note their eye and hair colors.   a. Biff states that the probability of a randomly selected person having either brown eyes or red hair is 60% + 5% = 65%. Briefly explain his mistake/what he forgot (do not just say what the answer should be)   b. Now you can tell me what the answer should have been if 2% of people have brown eyes and red hair.

MATLAB: An Introduction with Applications
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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Suppose that 60% of people have brown eyes and that 5% of people have red hair. We randomly select one person and note their eye and hair colors.

 

a. Biff states that the probability of a randomly selected person having either brown eyes or red hair is 60% + 5% = 65%. Briefly explain his mistake/what he forgot (do not just say what the answer should be)

 

b. Now you can tell me what the answer should have been if 2% of people have brown eyes and red hair.

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