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Q
uantitative
R
easoning &
P
roblem
S
olving
142
© 2014 Pacific Crest
M
odel(s)
Exemplars and representations
P
robability
D
istribution
for
F
inding
W
reckage of
a
P
lane
after
a
C
rash
MH370 M
alaysia
P
lane
: H
ow
M
aths
H
elped
F
ind
an
E
arlier
C
rash
F
ind
the
R
ight
F
it with
P
robability
D
istributions
L
ognormal
D
istribution
for
S
tock
P
rice
R
eturns
C
ritical Thinking Questions
Developing your understanding
1. What are the values for the cumulative probability distribution function at the extreme least and
greatest values for the random variable?
2. What should be done if no reliable data can be acquired?
3. What is the minimum size a data set should be to be considered reliable?