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CHAPTER FOUR
INTRODUCTION TO PROBABILITY
CONCEPTS REVIEWER
In the following multiple choice questions, circle the correct answer.
1.
The counting rule that is used for counting the number of experimental outcomes when n objects are selected
from a set of N objects where
order of selection
is not
important is called
a.
permutation
b.
combination
c.
multiple step experiment
d.
none of these alternatives is correct
2.
From a group of six people, two individuals are to be selected at random.
How many possible selections are
there?
a.
12
b.
36
c.
15
d.
8
3.
If A and B are independent events with P(A) = 0.65 and P(A
B)= 0.26, then, P(B) =
a.
0.400
b.
0.169
c. 0.390
d.
0.650
4.
If P(A) = 0.4, P(B A) = 0.35, P(A . B) =0.69, then P(B) =
a.
0.14
b.
0.43
c.
0.75
d. 0.59
5.
Given that event E has a probability of 0.31, the probability of the complement of event E
a.
can not be determined with the above information
b.
can have any value between zero and one
c.
0.69
d.
is 0.31
6.
Each individual outcome of an experiment is called
a.
the sample space
b.
a sample point
c.
an experiment
d.
an individual
7.
The collection of all possible sample points in an experiment is
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 Spring '08
 rao

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