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Manual Solution for Quiz 8 - Finite Probability and Applications | MT 004, Quizzes of Mathematics

Material Type: Quiz; Class: Finite Probability & Applications; Subject: mathematics; University: Boston College; Term: Unknown 1989;

Typology: Quizzes

2009/2010

Uploaded on 02/25/2010

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MT004 QUIZ 8
İLKER S. YÜCE
OCTOBER 13, 2009
Surname, Name:
QUESTION 1.
A committee is composed of W women and M men. If three women and
two men are added to the committee, and if one person is selected at random
from enlarged committee, then the probability that a women is selected can
be represented by
a) W
M, b) W
W+M, c)W+3
M+2 , d) W+3
W+M+3 , e) W+3
W+M+5 .
Answer. When we add 3 women and 2 men to committee, we have W+3
women and M+2 men. Each simple event is equally likely. Therefore, the
probability that a women selected is W+3
W+M+5 .
1

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MT004 Quiz 8

İlker S. Yüce

October 13, 2009

Surname, Name:

Question 1.

A committee is composed of W women and M men. If three women and

two men are added to the committee, and if one person is selected at random

from enlarged committee, then the probability that a women is selected can

be represented by

a)

W

M ,^ b)^

W

W + M ,^ c)^

W +

M +2 ,^ d)^

W +

W + M +3 ,^ e)^

W +

W + M +.

Answer. When we add 3 women and 2 men to committee, we have W+

women and M+2 men. Each simple event is equally likely. Therefore, the

probability that a women selected is

W +

W + M +.