COMPUTER SYSTEMS&MOD MSGT/ET SA AC PKG
3rd Edition
ISBN: 9780134671123
Author: Bryant
Publisher: PEARSON
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Chapter 6.1, Problem 6.4PP
A.
Program Plan Intro
Given Information:
A 1 MB file consisting of 512 byte logical blocks is stored on a disk drive with the following characteristics:
| Parameter | Value |
| Rotational Rate | 10000 RPM |
| 5 ms | |
| Average numbers of sectors or tracks | 1000 |
| Surfaces | 4 |
| Sector size | 512 bytes |
B.
Program Plan Intro
Given Information:
A 1 MB file consisting of 512 byte logical blocks is stored on a disk drive with the following characteristics:
| Parameter | Value |
| Rotational Rate | 10000 RPM |
| 5 ms | |
| Average numbers of sectors or tracks | 1000 |
| Surfaces | 4 |
| Sector size | 512 bytes |
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Students have asked these similar questions
cases:
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
=
10, p = 0.5
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
(a) No abandoned cars in the next week.
(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 6 Solutions
COMPUTER SYSTEMS&MOD MSGT/ET SA AC PKG
Ch. 6.1 - Prob. 6.1PPCh. 6.1 - Prob. 6.2PPCh. 6.1 - Prob. 6.3PPCh. 6.1 - Prob. 6.4PPCh. 6.1 - Prob. 6.5PPCh. 6.1 - Prob. 6.6PPCh. 6.2 - Prob. 6.7PPCh. 6.2 - Prob. 6.8PPCh. 6.4 - Prob. 6.9PPCh. 6.4 - Prob. 6.10PP
Ch. 6.4 - Prob. 6.11PPCh. 6.4 - Prob. 6.12PPCh. 6.4 - Prob. 6.13PPCh. 6.4 - Prob. 6.14PPCh. 6.4 - Prob. 6.15PPCh. 6.4 - Prob. 6.16PPCh. 6.5 - Prob. 6.17PPCh. 6.5 - Prob. 6.18PPCh. 6.5 - Prob. 6.19PPCh. 6.5 - Prob. 6.20PPCh. 6.6 - Prob. 6.21PPCh. 6 - Prob. 6.22HWCh. 6 - Prob. 6.23HWCh. 6 - Suppose that a 2 MB file consisting of 512-byte...Ch. 6 - The following table gives the parameters for a...Ch. 6 - The following table gives the parameters for a...Ch. 6 - Prob. 6.27HWCh. 6 - This problem concerns the cache in Practice...Ch. 6 - Suppose we have a system with the following...Ch. 6 - Suppose we have a system with following...Ch. 6 - Suppose that a program using the cache in Problem...Ch. 6 - Repeat Problem 6.31 for memory address0x16E8 A....Ch. 6 - Prob. 6.33HWCh. 6 - Prob. 6.34HWCh. 6 - Prob. 6.35HWCh. 6 - Prob. 6.36HWCh. 6 - Prob. 6.37HWCh. 6 - Prob. 6.38HWCh. 6 - Prob. 6.39HWCh. 6 - Given the assumptions in Problem 6.38, determine...Ch. 6 - You are writing a new 3D game that you hope will...Ch. 6 - Prob. 6.42HWCh. 6 - Prob. 6.43HWCh. 6 - Prob. 6.45HWCh. 6 - Prob. 6.46HW
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