HW#4 - Solution
1) The probability distribution of the number of children you might have one day is none with 30% chance, one with 20%
chance, two with 30% chance, three with 10% chance and four with
Chapter 18
Residual is defined as the actual value of y and the estimated value of y The standard deviation of the error variable is assumed to be 1.0 The p-value is found using the t-test A one-tail
About Hypothesis Testing:
To conduct a statistical test of hypotheses, we must first have two hypotheses: the
null hypothesis and the alternative hypothesis. The null hypothesis, denoted by H0,
is a s
ECO250
Fall 2011
SECOND MIDTERM
On my honor, I have neither given nor received unauthorized aid on this assignment.
Your Printed Name
Your Full Signature
1) You have 50 minutes for 120 points plus bon
1) The a priori probabilities of you possible grade in the midterm are: A= 10%, B = 20%, C = 30%, D =
20%, F = 20%. Translate the grades into the 4 point (GPA) scale.
a) What is your expected grade?
E
Fall 2011
SECOND MIDTERM
Solution
Question 1 (30 points 10 points each part):
Blayne usually flies out of Atlanta Hartford International Airport. Over the years he observed 225
random flights and noti
HW#6
Due Tuesday, November 6th
1) The time it takes my students to finish the stats exam is UNIFORMLY distributed between 25 and 75
minutes.
a) What is the chance that a student finishes his exam in b
BUAD250
Study Guide MT#2
Review session is Monday at 7pm.
Office hours until the midterm:
Friday afternoon for a bit (I dont know when yet I have an important research call at some point)
Monday 2-5
S
HW#5
Due Tuesday, October 30th in class
1)
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
k)
l)
Z~N(0,1) pay attention to the minus signs!
P(Z < 0.43) =
P(Z < -0.63) =
P(Z > 0.74) =
P(Z > -1.49) =
P(0.21 < Z < 0.43) =