56. Mac or PC? A recent census at a major university re-vealed that 40% of its students mainly used Macintoshcomputers (Macs). The rest mainly used PCs. At thetime of the census, 67% of the school's students wereundergraduates. The rest were graduate students. In the census, 23% of respondents were graduatestudents who said that they used PCs as their maincomputers. Suppose we select a student at randomfrom among those who were part of the census.(a) Make a two-way table for this chance process.(b) Construct a Venn diagram to represent this setting.(c) Consider the event that the randomly selected stu-dent is a graduate student and uses a Mac. Write thisevent in symbolic form based on your Venn diagramin part (b).(d) Find the probability of the event described in part (c).Explain your method.

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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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56. Mac or PC? A recent census at a major university re- vealed that 40% of its students mainly used Macintosh computers (Macs). The rest mainly used PCs. At the time of the census, 67% of the school's students were undergraduates. The rest were graduate students.