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Online EE 131A
Homework #2
Fall 2010
Due Oct
13
th
K. Yao
Read LeonGarcia, 3rd ed. Chap. 2 (pp. 47–66)
1. From among ten employees, three are to be selected for travel to three outoftown
plants, A, B, and C, one to each plant. Since the plants are in diﬀerent cities, the
order of assigning the employees to the plants is an important consideration. In how
many ways can the assignments be made ?
2. An assembly in a manufacturing plant involves four steps, which can be performed in
any order. If the manufacturer wishes to compare experimentally the assembly times
for each possible ordering of the steps, how many orderings can the experiments be
conducted?
3. In Problem 1, suppose that any three employees can be selected from the ten to go to
the same plant. In how many ways can this group of three employees be selected?
4. An experiment involves selecting randomly the numbers from 1 to 30 inclusive. Deﬁne
the the following events:
E
=
{
even numbers from 1 to 30 inclusive
}
;
O
=
{
odd numbers from
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This note was uploaded on 11/05/2010 for the course ELECTRICAL EE131A taught by Professor Kungyao during the Fall '10 term at UCLA.
 Fall '10
 KungYao

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