EBK COMPUTER SYSTEMS
3rd Edition
ISBN: 8220101459107
Author: O'HALLARON
Publisher: YUZU
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Chapter 9, Problem 9.20HW
Write your own version of malloc and free, and compare its running time and space utilization to the version of malloc provided in the standard C library.
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Compare the Poisson approximation with the correct binomial probability for the following
a. P{X=2} when n = 8, p = 0.2
b. P{X 5} when n
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c. P{X=0} when n = 20, p = 0.2
d. P{X=3} when n = 9, p = 0.1
4.
Suppose that the average number of cars abandoned weekly on a certain highway is λ = 1.68.
Approximate the probability that there will be
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(b) At least 2 abandoned cars in the next week.
Hint: Model the problem with a Poisson random variable.
od
The probability mass function of a discrete random variable X is given by
P(X = 1) = {}
x=1,2,3,4
10 otherwise
(a) Draw the probability mass function (PMF) of this random variable.
(b) Draw the cumulative distribution function (CDF) of this random variable.
(c) What is P{2< x <4}? Write it in terms of the CDF.
(d) What is E[X]?
(e) What is Var[X]?
(f) What is E[X (6-X)]?
(g) What is Var[3X - 2]?
Chapter 9 Solutions
EBK COMPUTER SYSTEMS
Ch. 9.2 - Prob. 9.1PPCh. 9.3 - Prob. 9.2PPCh. 9.6 - Prob. 9.3PPCh. 9.6 - Prob. 9.4PPCh. 9.8 - Practice Problem 9.5 (solution page 882) Write a C...Ch. 9.9 - Prob. 9.6PPCh. 9.9 - Prob. 9.7PPCh. 9.9 - Prob. 9.8PPCh. 9.9 - Prob. 9.9PPCh. 9.9 - Prob. 9.10PP
Ch. 9 - Prob. 9.11HWCh. 9 - Repeat Problem 9.11 for the following address....Ch. 9 - Repeat Problem 9.11 for the following address....Ch. 9 - Given an input file hello.txt that consists of the...Ch. 9 - Determine the block sizes and header values that...Ch. 9 - Prob. 9.16HWCh. 9 - Prob. 9.17HWCh. 9 - Prob. 9.18HWCh. 9 - Prob. 9.19HWCh. 9 - Write your own version of malloc and free, and...
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