MA 113
Exam II Key
Fall 2014
D. Weiner
1-4. Let X be the weight in pounds of a random rabbit of that breed, so X ~ N(7.8, 2.20)
(note that weights are normally distributed).
1. want P( X > 7) = P( (X
ME305: Mechanics of Materials
TENSION LAB
(Revised by Luke Colby, Kris Pelletier, Prof. Isaacson, and Prof. Barbone Summer 2002;
Bridget Reardon Spring 2009; Mogensen Fall 2013)
OBJECTIVES:
1. To cond
from 4:
*
Steady State:
*
Energy rate balance:
at steady state dE/dt=0;
nozzle:
turbine:
compressors/pumps:
heat exchange:
From 5:
Throttle process:
Power cycle:
thermal: (between two
ME 305: Mechanics of Materials
Lab 1: Tensile Testing
Grading Rubric and Expectations
Title Page (2 Points)
First page of the lab report including the following items:
o Title of Lab, Name, Co
Project Definition: Automatic Window Shutters
ME360 A1 Professor Blonder
Group members: Edmund Yu, Colin Macdougall, Jialin Zhu, Pietro Marchegiani
September 14, 2017
In the past two weeks, two hurric
Second Level
First Level
Roundabout/ Rotary
Stairs to second level (4)
Train tracks
Boston University College of Engineering
Yield sign (4)
Boston University College of Engineering
Assignment 1: Inter
SCAMPER Proposal: Dishwasher
ME360 A1 Professor Blonder
Group members: Edmund Yu, Colin Macdougall, Jialin Zhu
September 12, 2017
Substitute:
-Substitute the push controls on dishwasher for controls o
Supporting Information
Total Synthesis of ()-Callystatin A.
Neil F. Langille and James S. Panek*
Department of Chemistry and Center for Chemical Methodology and Library
Development, Metcalf Center for
Math 113 Elementary Statistics
Review Questions for Test 2
Answering the questions below should help with the sorts of problems weve been
considering. Given that the problems of Chapter 8 use the meth
Range rule of thumb
Whats the average height of women in
this class?
Whats the standard deviation?
What are the max and min heights of
women in this class?
s range/4 i.e. most values are within 2
Table: Chi-Square Probabilities
http:/people.richland.edu/james/lecture/m170/tbl-chi.html
Table: Chi-Square Probabilities
The areas given across the top are the areas to the right of the critical valu
Statistics Problems on p,e,n,T and also on
1.
What percentage of BU students weigh over 160 pounds? Stan polled 225 BU students, of whom 150
weighed over 160 pounds.
2.
In #1, be more accurate; then,
Some Desperate Statistics Exercises
All populations concern individuals living on Wisteria Lane. Fill in the slots marked ?
Person
Population
percentile
Gabby
female heights
38th
Carlos
male weights
5
CAS MA 113
Syllabus
Spring 2016
D. Weiner
Instructor:
Office:
Telephone:
Office Hours:
Dan Weiner (& Teaching Fellow)
246 MCS, 111 Cummington St.
617-353-9546
(email: [email protected])
Tues 4:45-5:45pm,
Supporting Materials
Stereoselective Synthesis of Functionalized Trisubstituted Olefins via
Palladium(0)-Catalyzed Cross-Coupling Reactions.
Alexander Arefolov, Neil F. Langille and James S. Panek.*
D
A Publication
of Reliable Methods
for the Preparation
of Organic Compounds
Working with Hazardous Chemicals
The procedures in Organic Syntheses are intended for use only by persons with proper
trainin
Homework 6 Solutions
4.
90% CI
s = 3.4
Z
n=
E
1
2
E=1
= 31.3
2
(1.645) (3.4)
=
1
2
n = 32
6.
n = 40
= 14.6
X
X Z1
s = 2.8
s
n
2
14.6 (1.96)
2 .8
40
14.6 + 0.87
(13.73, 15.47)
8.
a)
Z
n=
E
1
2
Homework 7 Solutions
26.
H0: = 6
H1: 6
= 0.05
X - 0
t=
s
n
, df=19
Reject H0 if t < -2.093 or if t > 2.093
t=
X - 0
5 .4 6
s
0.55 / 20
n
= -4.88
Reject H0 since 4.88 < -2.093. We have significant evi
MA113 Spring 2016
Homework 2 Solutions
2.
a)
P(D) = (20 + 30 + 10)/500 = 60/500 = 0.12
b)
P(A) = 200/500 = 0.4
c)
P(D and (A or C) = 30/500 = 0.06
d)
P(D|(A or C) = 30/400 = 0.075
4.
d)
a)
P(No Ins) =