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CHAPTER
15
Probability
Rules!
P
ull a bill from your wallet or pocket without looking at it. An outcome of
this trial is the bill you select. The sample space is all the bills in circulation:
S = 5$1 bi
97 AP Stat Scores
1997wasthefirstyearforAdvancedPlacementStatisticsnationwide.Thefollowingis
thesummarystatistics reportedbytheCollegeBoardforthatyears APStatistics andBC
Calculusexams,aswellasabreakdownoftheAPStatscoresbygender.
In order to determine how
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CHAPTER 10
Age
Years Left
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Re-expressing Data: Get It Straight!
10 20 30 40 50 60 70 80 90 100
60.3 50.7 41.8 32.9 24.8 17.9 12.1 7.9 5.0 3.0
a) Find a re-expression to create an appropriate model.
b
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Review Exercises
405
PAR T
REVIEW OF PART IV
IV
Randomness and Probability
Quick Review
Heres a brief summary of the key concepts and skills in probability and probability modeling:
u
The Law of Large N
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Review of Part VI
609
PAR T
REVIEW OF PART VI
VI
Learning About the World
Quick Review
We continue to explore how to answer questions about the
statistics we get from samples and experiments. In this p
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Review Exercises
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PAR T
REVIEW OF PART III
III
Gathering Data
QUICK REVIEW
u
Observational studies collect information from a sample
drawn from a target population.
Retrospective studies examine exi
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Review Exercises
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REVIEW OF PART V
V
From the Data at Hand to the World at Large
Quick Review
What do samples really tell us about the populations from
which they are drawn? Are the results of
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Review of Part VII
683
PAR T
REVIEW OF PART VII
VII
Inference When Variables Are Related
Quick Review
With these last two chapters, you have added important analytical tools to your ways of looking at
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Review Exercises
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PAR T
REVIEW OF PART I
I
Exploring and Understanding Data
Quick Review
Its time to put it all together. Real data dont come tagged
with instructions for use. So lets step back and l