Basic HTML Version
Q
uantitative
R
easoning &
P
roblem
S
olving
412
© 2014 Pacific Crest
5. Complete the remainder of this activity (from Demonstrate Your Understanding through Assessing
Your Performance) on your own, or as directed by your instructor.
M
odel(s)
Exemplars and representations
F
inding
an
A
ppropriate
P
hone
P
lan
Scenario:
AFamily of four needs four separate lines with unlimited voice and messaging. The parents
each need 3 GB of data while the children only need 1 GB each. The cheapest phone plan
that meets the needs of the family is the Simple Choice plan offered by T-Mobile.
Provider
T-Mobile
Sprint
Verizon
AT&T
Total Monthly Cost
$160
$240
$250
$260
Voice Cost
$100
$140
$160
$160
Voice Lines
Line 1: $50
Line 2: $30
Lines 3+: $10
Line 1: $50
Line 2: $40
Line 3: $30
Line 4: $20
$40 Each
$40 Each
Data Cost
$60
$100
$90
$100
Data Lines
Unlimited: $20
×
2
2 GB: $10
×
2
Unlimited: $30
×
2
1 GB: $20
×
2
8 GB
10 GB
Plan Name
Simple Choice Unlimited, My Way More Everything Mobile Share
Reference available on the companion website.
C
ritical Thinking Questions
Developing your understanding
1.
W
hat are the input variables you should consider when choosing an application that contains a
mathematical model? Are they probabilistic?
2. Is there a range of input values that you want the model to be able to consider?