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October 1, 2010
Math 351  Homework 7
1.
Suppose we have three cards. The first is red on both sides, the second is blue on both sides. and the
third is red Oil olle side and blue
011
the other. Label the sides of the first card as
Rl
and
R
2
•
lahel
the sides of the second card as BI and
B2
and label the sides of the third card as Rand
B.
Do the
following experiment: randomly pick one of the cards, make a note of the label on the nptnrned side
and then make a note of the label on the reverse side.
(a) \Vrite down the sample space of the six possible outcomes for the above experiment.
5~ [,e/~7./
/2__
~f
Ll/.8'l;.
.
/l
z..~.
124
~~
I'
/'
7'
/'"
(b)
Let C= "the side facing up of the chosen card is red" and D= "the reverse side of the chosen card
is blue". Calculate
P(DIC).
Do it by first identifying what is the reduced sample space.
Lcdc.tC~_4Jq~A
~
~ C:::.p,£?~
.....
,.ey,eg)
2.
T""~{.
'iiin::"',
k,equence
of ,esult,.
(a) Write down the sample space of the 36 possible outcomes.
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This note was uploaded on 03/05/2011 for the course MATH 351 taught by Professor Moumen,f during the Spring '08 term at George Mason.
 Spring '08
 Moumen,F
 Probability

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