Discrete Mathematics
5th Edition
ISBN: 9780134689562
Author: Dossey, John A.
Publisher: Pearson,
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Chapter 8, Problem 16SE
To determine
The number of outfits consisting 1 pair of slacks, 1 pair of blouse, 1 pair of shoes and 1 pair of purse.
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A classification study involving several classifiers was carried out. After training and the usual validation step, the following table
shows results for classifiers tried. In below, classifiers are identified as M1, M2 and so on.
Sensitivity
Specificity
M1
0.82
0.82
M2
0.92
0.72
M3
0.72
0.92
M4
0.46
0.47
M5
0.03
0.16
M6
0.13
0.02
M7
0.33
0.64
M8
0.72
0.24
M9
0.47
0.82
M10
0.06
0.84
The following list has statements about the classifiers. In the list, there is a single incorrect statement. Please identify the incorrect
statement.
Hint 1: recall that a classifier dominates another if both performance measures are better.
Hint 2: to help you visualize and compare classifiers, you may want to plot the classifier data in a ROC graph (which will not be
submitted).
Select one:
Qa.
O b.
Oc.
d.
By swapping zeroes and ones, M5 can be worsened
M8 does not dominate M9
M1 dominates all of M4, M5 and M6
M1 is a good classifier
?
e.
By swapping zeroes and ones, the performance of M4 does not change…
Consider the following training data, shown below before centering.
XY
1
0
1
1
1
1
1
1
00
1
1
1
0 0
1
1
1
0
1
1
This data set will be analysed after centering all columns (not scaling). In what follows, the centered data columns are referred to as
X and Y. Using these centered columns, we have the following quantities: XTX = 24/11 = 2.1818; XTY = 13/11 =
and YTY = 24/11 = 2.1818.
Ridge regression
Q1 For 2 =
R
AR
=
1.1818
0.56, compute and write in the provided space the ridge estimate ẞ (0.56). Use decimal numbers, not fractions.
Q2 Using the ridge estimate ẞ (0.56) you just computed, determine the percentage of shrinkage achieved with respect to the
squared L2 norm. That is, compute the shrinkage using || (0.56)||||||with the OLS estimate. In the provided space, write
the shrinkage as percentage between 0 and 100 with decimal values.
Lasso
AR
Q3 The following are several expressions for the lasso estimate: (2) = 0.5833 * (1 - 0.84622);
L
L
(a) = 0.5833 * (1 -0.78572); (A) = 0.5417 *…
5:38
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Chapter 8 Solutions
Discrete Mathematics
Ch. 8.1 - Evaluate the numbers in Exercises 1-12.
C(5, 3)
Ch. 8.1 - Prob. 2ECh. 8.1 - Prob. 3ECh. 8.1 - Evaluate the numbers in Exercises 1-12.
C(12, 7)
Ch. 8.1 - Prob. 5ECh. 8.1 - Evaluate the numbers in Exercises 1-12.
the...Ch. 8.1 - Prob. 7ECh. 8.1 - Evaluate the numbers in Exercises 1-12.
the...Ch. 8.1 - Prob. 9ECh. 8.1 - Evaluate the numbers in Exercises 1-12.
the...
Ch. 8.1 - Evaluate the numbers in Exercises 1-12.
the...Ch. 8.1 - Evaluate the numbers in Exercises 1-12.
the...Ch. 8.1 - Prob. 13ECh. 8.1 - Prob. 14ECh. 8.1 - Prob. 15ECh. 8.1 - Prob. 16ECh. 8.1 - Prob. 17ECh. 8.1 - Prob. 18ECh. 8.1 - Prob. 19ECh. 8.1 - Prob. 20ECh. 8.1 - Prob. 21ECh. 8.1 - Prob. 22ECh. 8.1 - Prob. 25ECh. 8.1 - Prob. 26ECh. 8.1 - Prob. 27ECh. 8.1 - Prob. 28ECh. 8.1 - Prob. 29ECh. 8.1 - Prob. 30ECh. 8.2 - How many people must there be in order to assure...Ch. 8.2 - If a committee varies its meeting days, how many...Ch. 8.2 - Prob. 3ECh. 8.2 - How many words must be chosen in order to assure...Ch. 8.2 - Prob. 5ECh. 8.2 - If there are 6 sections of Discrete Math with a...Ch. 8.2 - Prob. 7ECh. 8.2 - A sociologist intends to send a questionnaire to...Ch. 8.2 - Prob. 9ECh. 8.2 - How many different pizzas can be ordered if a...Ch. 8.2 - Prob. 11ECh. 8.2 - Prob. 12ECh. 8.2 - Prob. 13ECh. 8.2 - Prob. 14ECh. 8.2 - Prob. 15ECh. 8.2 - Prob. 16ECh. 8.2 - Prob. 17ECh. 8.2 - Prob. 18ECh. 8.2 - Prob. 19ECh. 8.2 - Prob. 20ECh. 8.2 - Prob. 21ECh. 8.2 - A restaurant offers a choice of 3 green vegetables...Ch. 8.2 - Prob. 23ECh. 8.2 - Prob. 24ECh. 8.2 - Prob. 25ECh. 8.2 - Prob. 26ECh. 8.2 - Prob. 27ECh. 8.2 - Prob. 28ECh. 8.2 - Prob. 29ECh. 8.2 - How many 8-bit strings begin with 010 or end with...Ch. 8.2 - Prob. 31ECh. 8.2 - Prob. 32ECh. 8.2 - Prob. 33ECh. 8.2 - Prove that in any nonempty list of n integers (not...Ch. 8.2 - Prob. 35ECh. 8.2 - Suppose that there are 15 identical copies of The...Ch. 8.3 - Evaluate the numbers in Exercises 1-12.
1. C(6,...Ch. 8.3 - Prob. 2ECh. 8.3 - Prob. 3ECh. 8.3 - Evaluate the numbers in Exercises 1-12.
4. C(8,...Ch. 8.3 - Evaluate the numbers in Exercises 1-12.
5. P(4,...Ch. 8.3 - Prob. 6ECh. 8.3 - Prob. 7ECh. 8.3 - Evaluate the numbers in Exercises 1-12.
8. P(12,...Ch. 8.3 - Prob. 9ECh. 8.3 - Prob. 10ECh. 8.3 - Prob. 11ECh. 8.3 - Evaluate the numbers in Exercises 1-12.
12. P(n,...Ch. 8.3 - Prob. 13ECh. 8.3 - How many different arrangements are there of the...Ch. 8.3 - Prob. 15ECh. 8.3 - How many different ways are there of selecting...Ch. 8.3 - Prob. 17ECh. 8.3 - How many different 16-bit strings contain exactly...Ch. 8.3 - Prob. 19ECh. 8.3 - Prob. 20ECh. 8.3 - Prob. 21ECh. 8.3 - Prob. 22ECh. 8.3 - Prob. 23ECh. 8.3 - Prob. 24ECh. 8.3 - Prob. 25ECh. 8.3 - Prob. 26ECh. 8.3 - Prob. 27ECh. 8.3 - Prob. 28ECh. 8.3 - Prob. 29ECh. 8.3 - Prob. 30ECh. 8.3 - Prob. 31ECh. 8.3 - Prob. 32ECh. 8.3 - Prob. 33ECh. 8.3 - Prob. 34ECh. 8.3 - Prob. 35ECh. 8.3 - Prob. 36ECh. 8.4 - How many distinct arrangements of the letters in...Ch. 8.4 - Prob. 2ECh. 8.4 - Prob. 3ECh. 8.4 - Prob. 4ECh. 8.4 - Prob. 5ECh. 8.4 - How many different assortments of 6 boxes of...Ch. 8.4 - Prob. 7ECh. 8.4 - How many different boxes containing 10 wedges of...Ch. 8.4 - Prob. 9ECh. 8.4 - In how many different ways can 15 distinct books...Ch. 8.4 - Prob. 11ECh. 8.4 - Prob. 12ECh. 8.4 - Prob. 13ECh. 8.4 - Prob. 14ECh. 8.4 - In how many different ways can 6 identical sticks...Ch. 8.4 - A father has 10 identical life insurance policies....Ch. 8.4 - Prob. 17ECh. 8.4 - Prob. 18ECh. 8.4 - In how many different ways can 8 identical...Ch. 8.4 - Prob. 20ECh. 8.4 - Prob. 21ECh. 8.4 - Prob. 22ECh. 8.4 - Prob. 23ECh. 8.4 - Prob. 24ECh. 8.4 - Prob. 26ECh. 8.4 - How many positive integers less than 10,000 are...Ch. 8.4 - How many distinct arrangements are there of two...Ch. 8.4 - How many positive integers less than 1,000,000 are...Ch. 8.4 - Prob. 32ECh. 8.4 - Prob. 33ECh. 8.4 - Prob. 34ECh. 8.4 - Prob. 35ECh. 8.5 - Prob. 1ECh. 8.5 - Prob. 2ECh. 8.5 - Prob. 3ECh. 8.5 - Prob. 4ECh. 8.5 - Prob. 5ECh. 8.5 - Prob. 6ECh. 8.5 - Prob. 7ECh. 8.5 - Prob. 8ECh. 8.5 - Prob. 9ECh. 8.5 - Prob. 10ECh. 8.5 - Prob. 11ECh. 8.5 - Prob. 12ECh. 8.5 - Prob. 13ECh. 8.5 - Prob. 14ECh. 8.5 - Prob. 15ECh. 8.5 - Prob. 16ECh. 8.5 - Prob. 17ECh. 8.5 - Prob. 18ECh. 8.5 - What is the probability that a randomly chosen...Ch. 8.5 - Prob. 20ECh. 8.5 - Three $ 10 bills, four $5 bills, and six $1 bills...Ch. 8.5 - If a 5-member committee is selected at random from...Ch. 8.5 - Suppose that we randomly distribute 5 distinct...Ch. 8.5 - If 10 quarters are distributed at random to 4...Ch. 8.5 - Exactly 4 of 20 microcomputer diskettes are...Ch. 8.5 - In Exercises 31–34, compute the probability of...Ch. 8.5 - In Exercises 31–34, compute the probability of...Ch. 8.5 - In Exercises 31–34, compute the probability of...Ch. 8.5 - In Exercises 31–34, compute the probability of...Ch. 8.5 - A file contains 25 accounts numbered 1–25. If 5 of...Ch. 8.5 - In the Illinois State Lotto game, 6 of the...Ch. 8.6 - In a survey of moviegoers it was found that 33...Ch. 8.6 - Among a group of children, 88 liked pizza and 27...Ch. 8.6 - Among the 318 members of a local union, 127 liked...Ch. 8.6 - In a particular dormitory, there are 350 college...Ch. 8.6 - From a group of 650 residents of a city, the...Ch. 8.6 - In tabulating the 5681 responses to a...Ch. 8.6 - The following data were obtained from the...Ch. 8.6 - The following information was found about the...Ch. 8.6 - Eight married couples came to a bridge party. Each...Ch. 8.6 - List all the derangements of 1, 2, 3, 4.
Ch. 8.6 - While taking a 6-week summer math class, Alison...Ch. 8.6 - How many sequences of five digits (0–9) contain at...Ch. 8.6 - For the following graph, determine the number of...Ch. 8.6 - If three married couples are seated randomly in...Ch. 8.6 - How many positive integers less than 101 are...Ch. 8.6 - How many sequences of six digits (0–9) contain at...Ch. 8.6 - At Brokaw Hospital, six babies were born to six...Ch. 8.6 - In how many ways can four married couples be...Ch. 8.6 - How many arrangements of the numbers 1, 1, 2, 2,...Ch. 8.6 - How many five-card poker hands contain at least...Ch. 8.6 - How many of the functions with domain {5, 6, 7, 8,...Ch. 8.6 - How many nonnegative integer solutions of x1 + x2...Ch. 8.6 - Suppose that five balls numbered 1, 2, 3, 4, and 5...Ch. 8.6 - Prob. 26ECh. 8.6 - Prob. 27ECh. 8.6 - Prob. 28ECh. 8.6 - For nonnegative integers n and m, define S(n, m)...Ch. 8.6 - Prob. 30ECh. 8.6 - Prob. 31ECh. 8.6 - Prob. 32ECh. 8.6 - Prob. 35ECh. 8.6 - Prob. 36ECh. 8.7 - Prob. 1ECh. 8.7 - Prob. 2ECh. 8.7 - Prob. 3ECh. 8.7 - Prob. 4ECh. 8.7 - Prob. 5ECh. 8.7 - Prob. 6ECh. 8.7 - Prob. 7ECh. 8.7 - Prob. 8ECh. 8.7 - In Exercises 7-18, determine the successor of...Ch. 8.7 - Prob. 10ECh. 8.7 - Prob. 11ECh. 8.7 - Prob. 12ECh. 8.7 - Prob. 13ECh. 8.7 - Prob. 14ECh. 8.7 - Prob. 15ECh. 8.7 - Prob. 16ECh. 8.7 - Prob. 17ECh. 8.7 - Prob. 18ECh. 8.7 - Prob. 19ECh. 8.7 - Prob. 20ECh. 8.7 - Prob. 21ECh. 8.7 - Prob. 22ECh. 8.7 - Prob. 23ECh. 8.7 - Prob. 24ECh. 8.7 - Prob. 25ECh. 8.7 - Prob. 26ECh. 8.7 - Prob. 27ECh. 8.7 - Prob. 28ECh. 8.7 - Prob. 29ECh. 8.7 - Prob. 30ECh. 8.7 - Prob. 31ECh. 8.7 - Prob. 32ECh. 8 - Prob. 1SECh. 8 - Prob. 2SECh. 8 - Prob. 3SECh. 8 - Prob. 4SECh. 8 - Prob. 5SECh. 8 - Prob. 6SECh. 8 - Prob. 7SECh. 8 - Prob. 8SECh. 8 - Prob. 9SECh. 8 - Prob. 10SECh. 8 - Prob. 11SECh. 8 - Prob. 12SECh. 8 - Prob. 13SECh. 8 - Prob. 14SECh. 8 - Prob. 15SECh. 8 - Prob. 16SECh. 8 - Prob. 17SECh. 8 - How many integers between 1500 and 8000...Ch. 8 - Prob. 19SECh. 8 - Prob. 20SECh. 8 - Prob. 21SECh. 8 - Prob. 22SECh. 8 - Prob. 23SECh. 8 - Prob. 24SECh. 8 - Prob. 25SECh. 8 - Prob. 26SECh. 8 - Prob. 27SECh. 8 - Prob. 28SECh. 8 - Prob. 29SECh. 8 - Prob. 30SECh. 8 - Prob. 31SECh. 8 - Prob. 32SECh. 8 - Prob. 33SECh. 8 - Prob. 34SECh. 8 - Prob. 35SECh. 8 - Prob. 36SECh. 8 - Prob. 37SECh. 8 - Prob. 38SECh. 8 - Prob. 39SECh. 8 - Prob. 41SECh. 8 - Prob. 42SECh. 8 - Prob. 43SECh. 8 - Prob. 44SECh. 8 - Prob. 45SECh. 8 - Prob. 46SECh. 8 - Prob. 47SECh. 8 - Prob. 49SECh. 8 - Prob. 50SECh. 8 - Prob. 51SECh. 8 - Prob. 52SECh. 8 - Prob. 53SECh. 8 - Prob. 56SECh. 8 - Prob. 57SECh. 8 - Prob. 3CPCh. 8 - Prob. 4CP
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