Health & Wellness
PRE-PLACEMENT
HEALTH QUESTIONNAIRE
1296598v2
1299571v2
PRE-PLACEMENT HEALTH QUESTIONNAIRE
Johnson & Johnson is a leader in the health care industry. The Johnson & Johnson Credo broadly governs our
responsibility to the men and women who
Solutions to Homework 1
February 10, 2007
Note: If you dont understand how a question was graded then (1) rst read the solutions, (2) check with the grader who graded it, and then (and only then) see Prof. Halpern. There is no statute of limitation
Peng Yuan Chen
pc364
HW #9
1.
a. It seems that the gate diameter has the strongest correlation to Batch Time than
the other parts.
b.
None of the other variables seem to have a linear relationship with BatchTime.
2.
a. Gate Diameter, Riser Diameter, Riser
CS 2800 Homework 4
Due: Wednesday, March 6, 2013
Problem 1 [6 points]
Find a multiplicative inverse of 7 modulo 22. (This can be done using (the steps of) Euclids
algorithm.)
Problem 2 [5 points]
Prove that the product of 4 consecutive integers is divisib
CS 2800 Homework 5
Due: Friday, March 15, 2013
Problem 1 [6 points]
Compute 76003 mod 143 using Eulers theorem (or Corollary 3.38 in the lecture notes, which follows
from Eulers theorem).
Problem 2 [6 points]
Compute 325 mod 15 using the method of repeate
CS 2800 Homework 6
Due: Wednesday, April 3rd, 2013
Problem 1 [6 points]
How many strings of four decimal digits (a decimal digit is a number between 0 and 9, inclusive)
(a) do not contain the same digit twice?
(b) have exactly three digits that are 9s?
(c
CS 2800 Homework 6 Cover Page
Please STAPLE this cover sheet to the FRONT of your
homework.
Please make sure you are using the cover page for the
CURRENT HOMEWORK and not a previous one.
Dont forget to fill in your NAME and NET ID.
Failure to do any of th
CS 2800 Homework 6 Solutions
Spring 2013
Problem 1 [6 points]
How many strings of four decimal digits (a decimal digit is a number between 0 and 9, inclusive)
(a) do not contain the same digit twice?
(b) have exactly three digits that are 9s?
(c) do not h
CS 2800 Homework 7
Due: Wednesday, April 17, 2013
Problem 1 [3+3 = 6 points]
Your friend has exactly 3 siblings, all of which are younger than your friend, but you do not know
their genders. Assume that it is equally likely for a sibling to be male or fem
CS 2800 Homework 7
Due: Wednesday, April 17, 2013
Problem 1 [3+3 = 6 points]
Your friend has exactly 3 siblings, all of which are younger than your friend, but you do not know
their genders. Assume that it is equally likely for a sibling to be male or fem
CS 2800 Homework 7 Cover Page
Please STAPLE this cover sheet to the FRONT of your homework.
Please make sure you are using the cover page for the CURRENT
HOMEWORK and not a previous one.
Dont forget to fill in your NAME and NET ID.
Failure to do any of th
CS 2800 Homework 8
Due: Friday, April 26, 2013
Problem 1 [5 + 5 = 10 points]
Let X and Y be independent random variables.
(a) Show that E[XY ] = E[X ] E[Y ].
(b) Show that Var[X + Y ] = Var[X ] + Var[Y ].
Problem 2 [2 + 5 + 5 = 12 points]
Suppose a room h
CS 2800 Homework 9
Due: Friday, May 3, 2013
Problem 1 [2 + 2 + 4 = 8 points]
Let T and F be formulas dened by T = P P and F = P P (you can simply think of T and
F as being a proposition that always evaluates to true and false, respectively). Let NAND be
a
Homework 4 Solution
CS 280 - Spring 2002
Due: Friday, March 1
Part A
1. Let A be the set of song titles that contain the word "Me", and let B be the set of song titles that include
the word "the". Express each of the following sets as a combination of A a
Peng Yuan Chen
pc364
ORIE 3120
HW #11
1.) Yes, there are months that are outlying in that the total sales for that month are low
compared to sales for the same month in other years. December 2000 are low compared
to other months, also April 2000 is low co
HA 6090 Term Paper Presentation Schedule
Thursday, April 18th
Group 1:
1. Megan Wu
2. Qianwen Xiong
3. Yushi Hu
4. Charlie McCulloch
5. Virgile Rivet
Group 2:
1. Juan Ortega
2. Matt Seward
3. Ruwan Pallegedara
4. David Farahi
Group 3:
1. Nan Xie
2. Mona C
Solutions to Homework 2
February 9, 2007
General Comments: This problem set will probably end up being the hardest in the course for many of you. Your score will, in all likelihood, be signicantly lower than on the previous homeworks. If you are frus
Solutions to Homework 3
February 27, 2007
The following exercises are from Rosen. 2.4: 6 Suppose that a | c and b | d. Then there exists k, m such that c = ka, d = mb. That means cd = kmab, so ab | cd. 2.4: 12 (a) 39 = 3 13. (b) 81 = 34 . 2.4: 14
Solutions to Homework 4
March 4, 2007
The following exercises are from Rosen. 2.4: 44 Since a b mod m, it follows that m | (a b). Thus, there is a d such that (a b) = dm. It follows that (a b)c = dmc. Thus, mc | (a b)c = ac bc. So ac bc mod m
Solutions to Homework 5
March 30, 2006
4.2: 3 (a) By the product rule, the number of dierent meals is 5 6 20 3 = 1800. (b) Here are two ways of doing this: one is to repeatedly apply the sum and product rules as shown below: main dish only: 20
Solutions to Homework 6
April 4, 2007
4.3: 35 (b) 40 students play eld hockey, and 1 of those swims, so 39 play eld hockey but dont swim. (d) This question is asking how many students do not play eld hockey. Since there are 1400 students and 40 play
Solutions to Homework 7
April 7, 2007
6.1: 2 There are 5 choices here, so guessing right on one of them will increase the score. Hence, the probability of increasing the score from one guess is 1 . The probability 5 of guessing a question wrong is
Solutions to Homework 10
May 1, 2007
7.2: 3 The truth table for exclusive-or () and not is shown below. P Q P Q P Q (P Q) TT F T F TF T F T FT T F T FF F T F Nearly everyone received full credit here. 7.2: 10 This problem was perhaps a little u
Solutions to Homework 11
May 10, 2007
3.1, 3 We dene a state as a possible conguration of the puzzle, e.g., reading clockwise from top left corner, {1, 2, 3, , where is the empty slot. Thus, for example, the initial conguration (shown on the left
64
CHAPTER 4
Section 4.1, Page 212
2.
8.
Writing the equation in standard form, we obtain
y + [(sint)/t]y + (3/t)y = cost/t. The functions
p1(t) = sint/t, p3(t) = 3/t and g(t) = cost/t have
discontinuities at t = 0. Hence Theorem 4.1.1 guarantees
that a s
160
CHAPTER 8
Section 8.1, Page 427
In the following problems that ask for a large number of
numerical calculations the first few steps are shown. It is
then necessary to use these samples as a model to format a
computer program or calculator to find the
CS 2800 Final Exam (Spring 2011)
Problem 1 [6 points]
Let a0 = 1, a1 = 0, and for n 2, let an = 3an1 2an2 .
Write a closed-form expression for an (for n 0), and prove using strong induction that your
expression is correct. (You must use strong induction f