September 3, 2013
Stat515.1 STATISTICS I (#36489)
Fall 2013, MoWeFr 3:35PM - 4:25PM Goessmann Lab Addtn rm 151
Course Website: http:/www.math.umass.edu/hsieh/stat515.1
Instructor: Professor H. K. Hsie
S515 HW#3 SOLUTION
(due on Monday 10/21/13)
Professor H.K.Hsieh
4.49 Let Y be the time of an arriving call. Then Y has a uniform distribution on the
interval (0, 1), then P(Y in non-busy time period)
May 11, 2011
Prof. H. K. Hsieh
Solutions to Stat 515 HW #6
6.1
f (y ) = 2(1 y ), 0 < y < 1
(a). U1 = 2Y 1. The one-to-one transformation u = 2y 1 leads to y = (u + 1)/2,
0 < (u + 1)/2 < 1, 1 < u < 1.
Prof. H. K. Hsieh
Stat 515 Final Exam Practice Problems + Solution
Students Name:
Section:
.
NOTE: Write main steps of your work clearly and circle your answers.
1. Suppose that the joint p.d.f. of X
S515.1 HW #4
5.2 a. The sample space for the toss of three balanced coins w/ probabilities are below:
Outcome
(y1, y2)
probabilit
y
HH
H
(3, 1)
1/8
y2
HHT
HTH
HTT
THH
THT
TTH
TTT
(3, 1)
1/8
(2, 1)
1/8
Stat515
HW#1 Solutions
09
/
A = cfw_FF, B = cfw_MM, C = cfw_MF, FM, MM. Then, AB = 0 , A B =cfw_FF,MM,
/
AC= 0 , A C = S, BC = cfw_MM,
B C = C, C B = cfw_MF, FM,
2.1
2.8 a. 36 + 6 = 42
b. 36-3=33
c. 6