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Statistics 120A
Assignment 1
Due Thursday, October 4. Homework can be handed in at the Thursday lecture. Or, you
may turn in your homework by noon Friday in the ICS Distribution Center.
Reading
Chapter 1.31.6 and 1.71.9
Exercises
1.4.6, 1.5.3, 1.5.8, 1.5.11, 1.6.2, 1.6.7
Simulation
Peter and Paul play a game called
heads and tails.
In this game a fair coin is tossed a number
of times, say 40. Each time a head comes up Peter wins 1 penny from Paul, and each time
a tail comes up Peter loses 1 penny from Paul. We keep track of Peter’s winnings and the
number times Peter is in the lead. What do you expect of the distributions?
(1) Visit the
Probability
link under simulation on the class website. Select Chapter 1.
(2) Open the
CoinTosses
applet and simulate some coin tosses. Try a handful of tosses
at ﬁrst, before proceeding to a ﬁnal string of 40 tosses. Calculate Peter’s winnings
at the end of those 40 tosses, and count how many times Peter was in the lead.
(3) Open the
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 Spring '09
 PHELAN
 Statistics

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