IE 111 Fall Semester 2011
Homework #2
Due Wednesday, 9/14
Question 1
An order for a tablet computer can specify any one of five memory sizes, any one of three
types of displays, any one of four sizes of a hard disk, and can either include or not
include a pen tablet. How many different systems can be ordered?
Question 2
A manufacturing operation consists of 10 operations (5 machining and 5 assembly).
However, the five machining operations must be completed before any of the remaining
five assembly operations can begin. Within each set of five, operations can be completed
in any order. How many different production sequences are possible?
Question 3
In the circuit below, let
i
A
be the event that switch i is closed.
a)
Write an expression for the event A that there is a current path from point 1
to
point 2
b)
The switches operate independently and are closed with probability p. Find the
probability of event A.
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View Full DocumentQuestion 4
In the laboratory analysis of samples from a chemical process, five samples from the
process are analyzed daily. In addition, a control sample is analyzed two times each day
to check the calibration of the laboratory instruments.
a)
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 Fall '07
 Storer
 Rafael Nadal

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