Stat 225 - Quiz 02 Name
Spring 2012
You have 10 minutes to complete the problem below. Show sufficient work to receive full credit. You
must work on the problem you are given: trading quiz sheets will result in a O for both parties. lfa
decimal answer is
Finance 30210
Solutions to Midterm #3 Practice Questions
1) Consider the following version of the prisoners dilemma game (Player ones
payoffs are in bold):
Player
One
Cooperate
Cheat
Player Two
Cooperate
$15 $15
$50 $0
Cheat
$0 $50
$10 $10
a) What is each
Larget - Statistics/Mathematics 309
Solution to Exam 7A
March 27, 2009
A likelihood model for sample s = (1, 3, 2, 1, 0) is that Xi i.i.d. Geometric(). Specifically, the probability function is P (Xi = x | ) = (1 - )x for x = 0, 1, 2, . . . for all i. Two
1
(12 Points) Hal (a man) goes to the Wabash Landing Movie Theatre to catch a
ick with 5 of his friends, 3 guys and 2 girls. For each of the following scenarios,
state the distribution and parameter(s). If an approximation is appropriate,
state the exact
Larget - Statistics/Mathematics 309
Solution to Exam 6B
March 27, 2009
An i.i.d. sample X1 , . . . , Xn is taken from an absolutely continuous distribution with density f (x) = x e-x/ 2 for x > 0 where = (0, ) is an unknown parameter. For this distributio
Larget Statistics/Mathematics 309
Solution to Exam 7B
April 17, 2009
Sample s = (x1 , x2 , . . . , xn ) is drawn independently from a Poisson() model, conditional on the value of . Recall the Poisson probability function P (Xi = x | ) = e x /x! for x = 0,
Spring 2010 Stat 225 Exam 1 Review Solutions
1. We only have observations for x in [4,10]. The trendline was calculated based on the
aforementioned domain of x values. Whilst we have a strong linear positive relationship
between x and y for these x values
1. You and your friends like to play soccer during the weekends. On a given round of penalty
kicks, the probability to score a goal is 0.6. For each of the following scenarios, write the
correct distribution and its parameter(s). If an approximation can b
1. Choose the phrase from the following list that most accurately
completes the sentences below. Each phrase should be used no more
than once. (2 points each)
(A)Experiment
(D)Without Replacement
(G)Mutually Exclusive
(J)Correlation coefficient
(M)Simple
Stat 225 - Quiz 02
Name _
Fall 2011
You have 10 minutes to complete the problem below. Show sufficient work to receive full credit. You
must work on the problem you are given: trading quiz sheets will result in a 0 for both parties. If a
decimal answer is
Finance 30210
Solutions to Midterm #2 Practice Questions
1) Suppose that we have the following observations of consumer behavior:
There are two products available to purchase: Cheeseburgers and Milkshakes
Observation #1: When the price of cheeseburgers wa