A typical engineering student would attend student groupwork in the Henry Sy discussion rooms between none to three times a week, following a uniform distribution. a) What is the probability that (WITPT) a randomly chosen engineering student would only go to a discussion room exactly twice each for three consecutive weeks? b) WITPT among a group of 4 engineering students who are not classmates nor groupmates with each other, all of them would not see a discussion room in certain week? c) WITPT among a group of 4 engineering students who are not classmates nor groupmates with each other, the only time that they went to a discussion room is the same day as every one of the four did?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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A typical engineering student would attend student groupwork in the Henry Sy discussion
rooms between none to three times a week, following a uniform distribution.
a) What is the probability that (WITPT) a randomly chosen engineering student would only
go to a discussion room exactly twice each for three consecutive weeks?
b) WITPT among a group of 4 engineering students who are not classmates nor groupmates
with each other, all of them would not see a discussion room in certain week?
c)
WITPT among a group of 4 engineering students who are not classmates nor groupmates
with each other, the only time that they went to a discussion room is the same day as every
one of the four did?
Transcribed Image Text:A typical engineering student would attend student groupwork in the Henry Sy discussion rooms between none to three times a week, following a uniform distribution. a) What is the probability that (WITPT) a randomly chosen engineering student would only go to a discussion room exactly twice each for three consecutive weeks? b) WITPT among a group of 4 engineering students who are not classmates nor groupmates with each other, all of them would not see a discussion room in certain week? c) WITPT among a group of 4 engineering students who are not classmates nor groupmates with each other, the only time that they went to a discussion room is the same day as every one of the four did?
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