CEE 110 Probability and Statistics for Engineers
Problem Set 5 Solutions
8.4
a) 95% CI for
,
n 10, 20 x 1000, z 1.96
x z / n x z / n
1000 1.96(20 / 10 ) 1000 1.96(20 / 10 )
987.6 1012.4
b) .95% CI for
,
n 25, 20 x 1000, z 1.96
x z / n x z / n
1000 1.96(20
CEE 110 Probability and Statistics for Engineers
6-40, 6-56, 6-76, 6-89, and 6-128 part a only.
6-40. Stem-and-leaf of concentration, N = 60, Leaf Unit = 1.0, 2|9
represents 29
Note: Minitab has dropped the value to the right of the decimal to make this d
CEE 110 Probability and Statistics for Engineers
In addition to Getting Started with R, please do book problems: 6-40, 6-56, 6-
76, 6-89, and 6-128 part a only.
You can access data in spreadsheet form on
CEE 110 Probability and Statistics for Engineers
Please review the practice problems and complete the following problems using hand calculations. Please
turn in your work on CCLE by Thursday April 14 at 10 a.m.
For quantitative problems we have included j
Lam {33:3 SET“
WW, 1. mgmmm‘gg w'LMmW-memw
“15%wa
“.4
CEE 110 Probability and Statistics for Engineers and Scientists
Practice Midterm
Emblem 1:
A]
More and more fuses are selected until three defective fuses are found. The number
of fuses tested up t
CEE 110
PS 2 Solution Set
2-15.
A sampled injection-molded part could have been produced in either one of two presses and in
any one of the eight
cavities in each press.
PRESS
1
2
CAVITY
1
2-20.
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Three events are shown on the
Homework 1
1.3-5:
For this question we need to randomly select 5 pipes from 90. We can use the sample command in R
for this. We set the sequence as 1 to 90 since there are 90 pipes in total. Then we select 5. The
command is:
y = sample(seq(1,90), size=5)
3% >4 <3)
CEE110
Esme.
Please work together and enjoy pulling it' all together”
Probability
Psehahilitv ﬁgs-"male 1 1
Consider a deck of 52 different cards. _
A) How many outcomes are there if Player 1 through 3 are dealt a card [it matters
who gets whi
Water Resources
http:/www.worldwater.org
1
Water
Water quality human and ecosystem health
Water quantity a problem long after quality
issues are solved
Liquor is for drinking; water is for fighting.
Mark Twain
We get our water from the sink.
Barney the
Water
Water quality human and ecosystem health
Water Resources
Water quantity a problem long after quality
issues are solved
Liquor is for drinking; water is for fighting.
Mark Twain
http:/www.worldwater.org
We get our water from the sink.
Barney the Di
CEE 153
Introduction to Environmental
Engineering Science
Prof. Keith D. Stolzenbach
What do Environmental Engineers Do?
Water and air pollution control
Recycling, waste disposal, and public health issues
Conduct hazardous-waste management studies in
w
What do Environmental Engineers Do?
CEE 153
Introduction to Environmental
Engineering Science
Prof. Keith D. Stolzenbach
Jobs plenty of them!
Course Logistics I
Lectures define the scope and content of the course!
Text: Masters, G.M. and W.P. Ela, Intro
ENVE-2110
Due: 9-10-09
1. Units: Convert the following values to the specific units:
[a] 40 mg/L of SO42[b] 12 mmol/L of NaNO3[c] 55 mg/L CaCO3 and
102 mg/L MgCO3
[d] 120 mg/m3 of Fe(OH)3
[e] 40 g/L of PO43[f] 620 mol/L of CCl4
to
to
M SO42mg/L of N
to
to
UNIVERSITY OF CALIFORNIA, LOS ANGELES
Civil and Environmental Engineering Department
CEE 153 Introduction to Environmental Engineering Science
Fall Quarter 2013
T-Th 2-4 PM
Math Science 4000A
Prof. K. D. Stolzenbach
5732J Boelter Hall, 206-7624
stolzenb@u
UNIVERSITY OF CALIFORNIA, LOS ANGELES
Civil and Environmental Engineering Department
CEE 153 Introduction to Environmental Engineering Science
Fall Term 2013
T-Th 2-4 PM
Math Science 4000A
Prof. K. D. Stolzenbach
5732J Boelter Hall, 206-7624
stolzenb@ucla