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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 | 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 is the probability that the student chooses art or geology? | as likely to choose geology. What is the probability that the student chooses art or geology? | ||
<ul class="mw-excansopts"> | |||
<li>1/2</li> | |||
<li>2/3</li> | |||
<li>3/4</li> | |||
<li>4/5</li> | |||
<li>1</li> | |||
</ul> | |||
'''References''' | '''References''' | ||
{{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=Doyle |first=Peter G.|date=2006 |access-date=June 6, 2024}} | {{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=Doyle |first=Peter G.|date=2006 |access-date=June 6, 2024}} | ||
Latest revision as of 18:17, 20 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 is the probability that the student chooses art or geology?
- 1/2
- 2/3
- 3/4
- 4/5
- 1
References
Doyle, Peter G. (2006). "Grinstead and Snell's Introduction to Probability" (PDF). Retrieved June 6, 2024.