b) The table below shows the number of photocopies made by Kenyatta University students at three locations around campus according to level of study. Please study it and answer the questions that follow. Photocopying location Shopping Center Kiwanja Market Level of study Main Cybercafé 130 First Year 300 190 Second Year 1160 250 150 Third Year 210 210 170 Fourth Year 230 210 240 i) Calculate the percentage of photocopies made by students at each level of study and at each location. ii) Calculate the probability that a randomly chosen photocopying was done by a fourth year student at Kiwanja Market. iii) Given that photocopying was done at the Main Cybercafé, what is the probability that it was done by a first year student?

b) The table below shows the number of photocopies made by Kenyatta University students at three locations around campus according to level of study. Please study it and answer the questions that follow. Photocopying location Shopping Center Kiwanja Market Level of study Main Cybercafé 130 First Year 300 190 Second Year 1160 250 150 Third Year 210 210 170 Fourth Year 230 210 240 i) Calculate the percentage of photocopies made by students at each level of study and at each location. ii) Calculate the probability that a randomly chosen photocopying was done by a fourth year student at Kiwanja Market. iii) Given that photocopying was done at the Main Cybercafé, what is the probability that it was done by a first year student?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

b) The table below shows the number of photocopies made by Kenyatta University students
at three locations around campus according to level of study. Please study it and answer
the questions that follow.
Photocopying location
Shopping Center
Level of study
Main Cybercafé
Kiwanja Market
First Year
130
300
190
Second Year
1160
250
150
Third Year
210
210
170
Fourth Year
230
210
240
i) Calculate the percentage of photocopies made by students at each level of study and at
each location.
ii) Calculate the probability that a randomly chosen photocopying was done by a fourth year
student at Kiwanja Market.
iii) Given that photocopying was done at the Main Cybercafé, what is the probability that it
was done by a first year student?

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