ME 335
HO04
ME 335
Homework 1 Solutions
31 January 2016
Section 2.1: Sample Spaces and Events 2.1, 2.3, 2.6, 2.19, 2.41, 2.44, 2.53
2-1.
Each of three machined parts is classified as either above or b
Assignment 8:
7-5.
X 75.5 psi X
3.5
n
1.429
6
P ( X 75.75) P
X
/ n
75.7575.5
1.429
P ( Z 0.175) 1 P ( Z 0.175)
1 0.56945 0.43055
7-11.
n = 36
X
a b (3 1)
2
2
2
12 02 12
X
2
3
3
X 2, X
z
2/3
9-1 Introduction
Monday, November 21, 2016
10:47 AM
START
RECORDING
Example: Fair die
You believe that the die is fair
Roll the die 100 times, and average is 5.0
Does this sample supports / or evide
Random experiment: different outcomes
Sample space:
Discrete: finite or countable infinite set
of outcomes
Continuous: interval (infinite/finite) of
real numbers
On mean, known variance: Z
me process
Random experiment: different outcomes
Sample space:
Discrete: finite or countable infinite set
of outcomes
Continuous: interval (infinite/finite) of
real numbers
P ( B| A ) P ( A ) + P ( B| A ' ) P (
a)
H 0 : 20nm, H 1 : 20nm
b) This result does not provide strong evidence that the standard deviation has not been reduced. There is insufficient evidence to
reject the null hypothesis, but this is no
8-1 Introduction
Sunday, November 6, 2016
6:35 PM
START
RECORDING
In previous chapter we studies how a point estimate of a parameter can be estimated
from sample data
However it is important to unde
THE UNIVERSITY OF TEXAS AT AUSTIN
ME 333T Engineering Communication
FALL 2012 COURSE DESCRIPTION AND SYLLABUS
Professor Moore
[email protected]
Office: ETC 5.140
Office Hours
M 1 3, W 1 - 2
Teaching
ME 335
Engineering Statistics
Recitation #10
Chapter 9
Hypothesis Testing
ME 335 Fall 2012
Exercise 9.10
47 ball bearings randomly selected from vendors
product yield s = 0.003 (see JMP file for data)
ME 335
Engineering Statistics
Recitation #9
Chapter 8
Confidence Intervals
ME 335 Fall 2012
Exercise 8.30
If 123 of 456 balloons fail when filled with water, set a
95% confidence interval on the true
ME 335
Engineering Statistics
Recitation #8
Chapter 8
Point & Interval Estimators
ME 335 Fall 2012
Exercise 8.25
Assuming that xi are taken independently from a
normally distributed population, show t
ME 335
Engineering Statistics
Recitation 7
Chapter 7
Sampling Distributions
ME 335 Fall 2012
Central Limit Theorem
If X is distributed with mean and standard deviation
, then the sample mean obtained
9-1 Introduction
Monday, November 21, 2016
10:47 AM
START
RECORDING
9-1
Introducti.
Audio recording started: 8:00 AM Tuesday, November 22, 2016
Example: Fair die
You believe that the die is fair
Rol
4-1 Continuous Random Variables
Saturday, October 3, 2015
10:27 AM
Let Y be the height of a person
Let X be the volume of juice in a can
Let Z be the waiting time until the next person arrives at t
Assignment 9:
8-1
a) The confidence level for x 2.14 / n x 2.14 / n is determined by the value of z0 which
is 2.14. From Table III, (2.14) = P(Z < 2.14) = 0.9838 and the confidence level is 2(0.9838-0
ME 335
HO 12
ME 335
Homework 10 Solutions
8 April 2016
Section 7.2: Sampling Distributions and the Central Limit Theorem
7.2, 7.4, 7.5, 7.11, 7.14
Section 7.3: General Concepts of Point Estimation
7.2
ME 335
HO02
ME 335
Homework 2
28 January 2016
Announcements
This assignment is due by 5 PM on 05 February 2016.
Readings
Sections 2.1 - 2.3 in your textbooksame as last week
Problems
Please work the p
ME 335
ME 335
Quiz 3 Solution
03 February 2016
Problem
Your three friends and you are in a room. Assume the month of birthdays
are equally likely. What is the probability that there is at least one pe
ME 335
HO06
ME 335
Homework 3
04 February 2016
Announcements
This assignment is due by 5 PM on February 12, 2016.
Readings
Sections 2.4, 2.5, 2.6, and 2.7 in your textbook.
Homework
Section 2.4: Condi
ME 335
HO05
ME 335
Case 1: Choosing Candidates
02 February 2016
Announcements
1. This case is due by 5 PM 19 February 2016.
2. You must work on this case in groups of 2-3 people and must form your tea
ME 335
HO02
ME 335
Homework 1
21 January 2016
Announcements
This assignment is due by 5 PM on January 29 in the TA office (ETC 5.138).
Readings
Chapter 1 and Sections 2.1 - 2.3 in your textbook
Proble
ME 335
HO01
ME 335
ENGINEERING STATISTICS
Spring 2016
1. Instructor
J. Eric Bickel, PhD
Associate Professor
ETC 5.128C
232-8316
[email protected]
Office Hours
Tuesday and Thursday from 12:30 1:3
ME 335 - Probability and Statistics - Summer 2014
Final Exam Solutions
Monday, August 18, 2014
You have 3 hours to complete this exam.
You are allowed one 8.5 by 11 inch cheat sheet for this exam, ot
ME 335 - Probability and Statistics - Fall 2014
Final Exam Solutions
Wednesday, December 10, 2014
You have 3 hours to complete this exam.
You are allowed one 8.5 by 11 inch cheat sheet for this exam.
ME 335
17860
Homework 9
6.3
6.53:
Histogram 6.53
20
15
10
Frequency 5
0
Frequency
Bin
6.56:
Histogram 6.56
15
10
Frequency
Frequency
5
0
Bin
This histogram for water quality data is similar to a bell
ME 335
Engineering Statistics
Recitation #6
Chapter 6
Sample Data
ME 335 Fall 2012
Exercise 6.2
For each of the following three data sets,
Construct your most descriptive frequency
table, and draw a f
ME 335
Engineering Statistics
Recitation #5
Chapter 5
Mean, Variance and Expected Value
ME 335 Fall 2012
Exercise 5.3
Let the probability density function of a random
variable X be defined as follows: