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Problem

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26 Oct 2021

Given information

At a college, 72% of courses have final exams and 46% of courses require research papers. Suppose that 32% of courses
have a research paper and a final exam. Let F be the event that a course has a final exam. Let R be the event that a course
requires a research paper.

Step-by-step explanation

Step 1.

Let  and  be two events, then we have

 

Let the events be

Event that a course has a final exam,

Event that a course has a research paper.

,

,

,

.

We need to calculate the probability that a course has neither a final exam nor a research project

Therefore,

,

.

Substituting the values, we get

,

.

Hence, the probability that a course has neither a final exam nor a research project is .      

   

        

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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