Introductory Combinatorics
5th Edition
ISBN: 9780134689616
Author: Brualdi, Richard A.
Publisher: Pearson,
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Chapter 1, Problem 10E
To determine
To prove: There is no magic square of order 2.
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20 km, because
GISS
Worksheet 10
Jesse runs a small business selling and delivering mealie meal to the spaza shops.
He charges a fixed rate of R80, 00 for delivery and then R15, 50 for each packet of
mealle meal he delivers. The table below helps him to calculate what to charge
his customers.
10
20
30
40
50
Packets of mealie
meal (m)
Total costs in Rands
80
235
390
545
700
855
(c)
10.1.
Define the following terms:
10.1.1. Independent Variables
10.1.2. Dependent Variables
10.2.
10.3.
10.4.
10.5.
Determine the independent and dependent variables.
Are the variables in this scenario discrete or continuous values? Explain
What shape do you expect the graph to be? Why?
Draw a graph on the graph provided to represent the information in the
table above.
TOTAL COST OF PACKETS OF MEALIE MEAL
900
800
700
600
COST (R)
500
400
300
200
100
0
10
20
30
40
60
NUMBER OF PACKETS OF MEALIE MEAL
What is the answer in 10.3
Let X be a random variable with support SX = {−3, 0.5, 3, −2.5, 3.5}. Part ofits probability mass function (PMF) is given bypX(−3) = 0.15, pX(−2.5) = 0.3, pX(3) = 0.2, pX(3.5) = 0.15.(a) Find pX(0.5).(b) Find the cumulative distribution function (CDF), FX(x), of X.1(c) Sketch the graph of FX(x).
Chapter 1 Solutions
Introductory Combinatorics
Ch. 1 - Prob. 1ECh. 1 - Prob. 2ECh. 1 - Imagine a prison consisting of 64 cells arranged...Ch. 1 - Verify that there is no magic square of order 2.
Ch. 1 - Use de la Loubère’s method to construct a magic...Ch. 1 - 12. Use de la Loubère’s method to construct a...Ch. 1 - Construct a magic square of order 6.
Ch. 1 - Show that the result of replacing every integer a...Ch. 1 - Let n be a positive integer divisible by 4, say n...Ch. 1 - Show that there is no magic cube of order 2.
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