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(Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> A student must choose one of the subjects, art, geology, or psychology, as an elective. She is equally likely to choose art or psychology and twice as likely to choose geology. What are the respective probabilities that she chooses art, geology,...")
 
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<div class="d-none"><math>
A student must choose one of the subjects, art, geology, or psychology,
\newcommand{\NA}{{\rm NA}}
\newcommand{\mat}[1]{{\bf#1}}
\newcommand{\exref}[1]{\ref{##1}}
\newcommand{\secstoprocess}{\all}
\newcommand{\NA}{{\rm NA}}
\newcommand{\mathds}{\mathbb}</math></div> A student must choose one of the subjects, art,
geology, or psychology,
as an elective.  She is equally likely to choose art or psychology and twice
as an elective.  She is equally likely to choose art or psychology and twice
as
as likely to choose geology.  What are the respective probabilities that she chooses art, geology, and psychology?
likely to choose geology.  What are the respective probabilities that she
chooses art, geology, and psychology?

Latest revision as of 20:55, 12 June 2024

A student must choose one of the subjects, art, geology, or psychology, as an elective. She is equally likely to choose art or psychology and twice as likely to choose geology. What are the respective probabilities that she chooses art, geology, and psychology?