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Math 11 Chapter 7
Permutation, Combination and Probability
Test - 7
1.
n
P
2
=30
a) n=5
b) n=6
c) n=4
d) n=8
2.
Numbers of 4 digit numbers formed from the digits 1,2,3,4,5
a) 120
b) 360
c) 120
d) 130
3.
Permutations of the Word BITTER
a) 270
b) 366
c) 360
d) 180
4.
n
C
r
x r!
a) r
b) c
c) n
d) p
5.
The set consisting of all possible out comes is
a) Sample space
b) sub set
c) Related set
d) Event set.
6.
The set of all favorable out comes
a) Related set
b) even set
c) Event set.
d) Not related set
7.
If A and B are events and A
Ç
B =
Æ
a) Mutually exclusive events
b) unrelated events
c) Mutually related events
d) Related events
8.
If A and B are disjoint sets, P (A U B)
a) P(A) + A(B)
b) A(P) + P(B)
c) P(A) + P(B)
d) P(A) + B(P)
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