5-49
(a)
(b)
(e)
(d)
(c)
(
(h)
The random variables X. I. Z have a multinomial distribution
with: 20.;21 =0.05, p3 =U.El5.,;o3 =0.lCI.
The range iscfw_x=0,1,2,., ,20,y = 0,L2,.-_, 20,: = U, l,2,-.,20,x+y+z = 20].
The marginal distribution ofX is binomial.
1. The probability is 0.3 that Professor Hemati will win a game of poker. If professor Hemati plays the game 16 times, find
the probability that
a.) Professor Hemati will win fewer than 5 games
Solution: Let X be the number of games played. This is a bino
Table of Contents
Chapter 4
Cumulative Distribution Function.113
o Expected Value, Variance, Standard Deviation.115
Mean & Variance of a Continuous Uniform Random Variable.117
Normal Distribution.119
Normal Approximation.129
X
and R Charts
n = sample size
m = # of samples
A and D values found on pg. 762
X
Control Limits
m
CL
1
x = xi
m i=1
UCL
x + A 2 r
LCL
x A2 r
R Control Limits
m
CL
r = 1 r i
m i=1
UCL
D4 r
LCL
D 3 r
Box Plot
q1= (n+1)/4
q2= Median
q3= 3(n+1)/4
IQR= q3 q1
Lab 1: Tensile Test of Steel
1. OBJECTIVE
The purpose of this experiment is to study the tensile load behavior when
applied to steel. This experiment includes two steels one is hot rolled and the
other is cold rolled, we are going to test the response of
Test 3 Study Guide
1. Chapter 10 Similar to test 2 7 step maybe
1. Parameter of interest
2. Non-Hypothesis
3. Alternative Hypothesis
4. Test Statistic
5. Reject if
6. Computations
7. Conclusion
2. H
San Diego
Unemployment Rates
Lorenzo Bustos
CIV E 160
#45
Introduction
In general, the unemployment rates have
decreased over the past few years. In this
experiment, I will test the hypothesis of a
decrease in unemployment rates in the
county of San Diego
The random variable X has a discrete uniform distribution ranging from 0 to 12. Determine the
mean, standard deviation, and variance of X. (Ch. 3, pg 78).
= E(x) =
12+0
2
=
b+a
2
=6
2
(ba+1)21
12
2
(120+ 1)21
12
=
=
=
(120+1)21
12
= 14
= 3.74166
Which
1. What is the definition of an unbiased estimator?
C. An estimator that has its expected value equal to the parameter that is being estimated is
said to be unbiased.
1. If an interval estimate is said to be constructed at the 90% confidence level, the co
1. Which of the following is NOT a major tool of the Statistical Process Control (SPC)?
A. Confidence Interval
2. _ is an invaluable way to examine the variability in time -oriented data.
A. Control charts
3. Which of the following is not part of the prob
1) Major Tools of SPC
A. Histogram- It uses rectangles proportionate in area to class frequencies. A
histogram helps you analyze what is going on in the process and helps show the
capability of a process. It also provides a graphical summary of the variat
HW-4 CIV E 160
Last Name: _ First: _Class ID #: _
Please print this page and attach your detail work on one- side of paper, typing is optional. Total
points 10
Due Date: Friday 9/25/15 at the Beginning of the Class late work will not be accepted.
Exercise
CIV E 463 - SPRING 2017
GEOTECHNICAL ENGINEERING LAB
LAB #3: PLASTICITY
03/01/17
Introduction
Lab 3: Plasticity
A. The purpose of this lab is to differentiate between two clay soil types, bentonite
and kaolinite. According to Conduto, clay soil particles
CIV E 463 - SPRING 2017
GEOTECHNICAL ENGINEERING LAB
LAB #2: GRADATION
02/15/17
Introduction
A. The purpose of this lab was to understand the characteristics of soils by
analyzing their grain size distributions. 7 differently sized sieves were used in
ord
CIV E 463 - SPRING 2017
GEOTECHNICAL ENGINEERING LAB
LAB #1: SINGLE GRAINS
02/08/17
Introduction
A. The purpose of this lab was to characterize 20-30 soil grains of Ottawa sand
under the microscope, using the Sphericity and Roundness chart given in our la
Concrete strain at maximum compressive stress is .002 and at rupture is .003
fc: the design or specified compression strength for use in structural design.
Failure of reinforced concrete structural is defined by crushing of concrete at a compressive strai
Homework #2
Chapter 4 - Problem 12
Janelle Clanton
Redo example included in this chapter for A s=4,8,12, and 16 in2.
Draw a diagram showing the changes in M n with As.
A.
b=
d=
f'c=
14
27
4000
f y=
60000
As=
4
C=T
a=
.85f'c*a*b=As*fy
5.04
B.
in
Moment arm
LAB 5: Hydraulic Conductivity
Cive 463: Geotechnical Engineering Lab
November 8, 2016
Introduction:
The purpose of this lab was to analyse hydraulic conductivity of the flow rate of water through a
sand specimen. This test helps define permeability by est
Geotechnical Engineering
Civ E 463
Lab #5 - Crushability
I.
Introduction
The purpose of this lab is to demonstrate the crushability of soil and how the soil
relates to deformation upon crushing and rearrangement. This lab helps understand
crushability by
Geotechnical Engineering
Civ E 463
Lab #4- Crushability
I.
Introduction
A. A short paragraph that describes that purpose of the lab.
The purpose of this lab is to differentiate two clay soil types, bentonite and
kaolinite. According to Conduto, clay soil
Civil Engineering 463
Direct Shear Test
Table of Contents:
Introduction
Material
Apparatus and Procedure
Results
References
Introduction:
A. To measure the shear strength properties of a soil, a Direct Shear Test may be conducted.
This test involves a soi
Civil Engineering 463
Experimental Design Proposal
Table of Contents:
Introduction
Apparatus
Measurement System
Procedure
Results: Experiment
Results: Prediction of Field Performance
References
Introduction:
The purpose of this experiment is determine and
Civil Engineering 463
Experimental Design Proposal
Table of Contents:
Introduction
Apparatus
Measurement System
Procedure
Results: Experiment
Results: Prediction of Field Performance
References
Introduction:
The purpose of this experiment is determine and
Hw#2
9.
A. The length of the lower boundary of area B is:
84
B. The location of the center of the circle on the right in area C is:
X=352-6.00 Y=107-6.00 Z=0-0.00.
C. The area of the footprint of the rectangular structure farthest to the right
Is: 6118.15
Lab HW #4b
14. What is the length of the bottom edge of the horizontal member (in feet and inches to two
decimal places)?
51-9.95
15. What are the coordinates of the top-most point of the truss (in feet and inches to two
decimal places)?
X=39-0.79 Y=23-5.
Perla Torres
CIVE 121, Spring 2017
Lab #3 W 10am
Lab HW #3
1. The distance from the lower left edge of the walkway to the lower right edge of the
boundary for area F is 79-3.70.
2. The coordinates (x,y) of the point at the upper right end of the path lead