Write down your answers and codes in a R Markdown file (.rmd) using the RStudio, then generate a PDF file. Upload the R Markdown file and the PDF. The distribution of a professor’s quiz scores is normally distributed with a mean of 60 points and a standard deviation of 15 points. The professor promises his students that the top 20% of the scores will receive a grade of A in his class. (a) What is the minimum score you must achieve to receive an A in the class? (b) Sketch the graph and shade the concerned region.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Write down your answers and codes in a R Markdown file (.rmd) using the RStudio, then
generate a PDF file. Upload the R Markdown file and the PDF.

The distribution of a professor’s quiz scores is normally distributed with a mean of 60 points and
a standard deviation of 15 points. The professor promises his students that the top 20% of the
scores will receive a grade of A in his class.
(a) What is the minimum score you must achieve to receive an A in the class?
(b) Sketch the graph and shade the concerned region.

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