Pearson eText for Calculus for Business, Economics, Life Sciences, and Social Sciences, Brief Version -- Instant Access (Pearson+)
14th Edition
ISBN: 9780137400126
Author: Raymond Barnett, Michael Ziegler
Publisher: PEARSON+
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Textbook Question
Chapter A.1, Problem 38E
Repeat Problem 37 for 0.181818 ….
37. If c = 0.151515… , then 100c = 15.1515... and
100c – c = 15.1515 … –0.151515 …
99c = 15
Proceeding similarly, convert the repeating decimal 0.090909 … into a fraction. (All repeating decimals are rational numbers, and all rational numbers have repeating decimal representations.)
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Excel File: data05-19.xls
10
20
f(x)
.05
.10
11
30
40
50
60
.10
.20
.35
.20
a. Is this probability distribution valid?
Yes
Explain.
greater than or equal to 0
f(x)
Σf(x)
equal to 1
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d. Compute the expected value and variance of x.
Expected value
Variance
clients per year
squared clients per year
Use Variation of Parameters to solve
Chapter A.1 Solutions
Pearson eText for Calculus for Business, Economics, Life Sciences, and Social Sciences, Brief Version -- Instant Access (Pearson+)
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