MATLAB: An Introduction with Applications
5th Edition
ISBN: 9781118629864
Author: Amos Gilat
Publisher: WILEY
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Chapter 1, Problem 8P
Define the variables x and y as x = 5.1 and y = 4.2, then evaluate:
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Scenario
Sales of products by color follow a peculiar, but predictable, pattern that determines how many units will sell in
any given year. This pattern is shown below
Product Color
1995
1996
1997
Red
28
42
21
1998
23
1999
29
2000
2001
2002
Unit Sales
2003 2004
15
8
4
2
1
2005 2006
discontinued
Green
26
39
20
22
28
14
7
4
2
White
43
65
33
36
45
23
12
Brown
58
87
44
48
60
Yellow
37
56
28
31
Black
28
42
21
Orange
19
29
Purple
Total
28
42
21
49
68
78
95
123
176
181
164
127
24
179
Questions
A) Which color will sell the most units in 2007?
B) Which color will sell the most units combined in the 2007 to 2009 period?
Please show all your analysis, leave formulas in cells, and specify any assumptions you make.
One hundred students were surveyed about their preference between dogs and cats. The following two-way table displays data for the sample of students who responded to the survey.
Preference
Male
Female
TOTAL
Prefers dogs
\[36\]
\[20\]
\[56\]
Prefers cats
\[10\]
\[26\]
\[36\]
No preference
\[2\]
\[6\]
\[8\]
TOTAL
\[48\]
\[52\]
\[100\]
problem 1
Find the probability that a randomly selected student prefers dogs.Enter your answer as a fraction or decimal.
\[P\left(\text{prefers dogs}\right)=\]
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Preference
Male
Female
TOTAL
Prefers dogs
\[\blueD{36}\]
\[\blueD{20}\]
\[\blueE{56}\]
Prefers cats
\[10\]
\[26\]
\[36\]
No preference
\[2\]
\[6\]
\[8\]
TOTAL
\[48\]
\[52\]
\[100\]
There were \[\blueE{56}\] students in the sample who preferred dogs out of \[100\] total students.
Business discuss
Chapter 1 Solutions
MATLAB: An Introduction with Applications
Ch. 1 - Prob. 1PCh. 1 - Calculate: 4125.22e5100.53 1323+ln5008Ch. 1 - Calculate: (a) 14.836.3213+52 (b)...Ch. 1 - Calculate: 24.5+64/3.52+8.312.5376.428/15...Ch. 1 - Calculate: a. cos7x9+tan715sin15 b....Ch. 1 - Define the variable xas x = 6.7, then evaluate: a....Ch. 1 - Define the variable tas t = 3.2, then evaluate:...Ch. 1 - Define the variables x and y as x = 5.1 and y =...Ch. 1 - Define the variables a, b, c, and d as:...Ch. 1 - Prob. 10P
Ch. 1 - Prob. 11PCh. 1 - Two trigonometric identities are given by:...Ch. 1 - Two trigonometric identities are given by:...Ch. 1 - Define two variables: alpha=/6 , and beta=3/8 ....Ch. 1 - Given: xsinaxdx=sinaxa2xcosaxa . Use MATLAB to...Ch. 1 - In the triangle shown a=5.3in.,=42,andb=6 in....Ch. 1 - In the triangle shown a = 5 in., b = 7 in., and =...Ch. 1 - In the ice cream cone shown, L = 4 in. and =35 ....Ch. 1 - Prob. 19PCh. 1 - The parametric equations of a line in space are:...Ch. 1 - The circumference of an ellipse can be...Ch. 1 - 315 people have to be transported using buses that...Ch. 1 - 739 apples are to be packed and shipped such that...Ch. 1 - Assign the number 316,501.673 to a variable, and...Ch. 1 - Prob. 25PCh. 1 - Prob. 26PCh. 1 - Prob. 27PCh. 1 - Prob. 28PCh. 1 - Prob. 29PCh. 1 - Prob. 30PCh. 1 - Radioactive decay of carbon-14 is used for...Ch. 1 - The greatest common divisor is the largest...Ch. 1 - The Moment Magnitude Scale (MMS), denoted Mw,...Ch. 1 - Prob. 34PCh. 1 - Prob. 35PCh. 1 - Newton’s law of cooling gives the temperature T(t)...Ch. 1 - The stress intensity factor K predicts the stress...Ch. 1 - Prob. 38PCh. 1 - Use the Help Window to find a display format that...Ch. 1 - Prob. 40P
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