EBK BUSINESS MATH
11th Edition
ISBN: 8220103632072
Author: NOBLE
Publisher: Pearson Education (US)
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Chapter 9.2, Problem 2-6SC
To determine
To calculate: The rate of markup based on selling price if rate of markup based on cost is
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Consider the probability distribution below.
0
1
3
f(x)
0.3
0.3
0.4
E(X)=1.5. The variance of XV (X) equals
1.65
○ 1.28
1.56
2.33
7. [10] Suppose that Xi, i = 1,..., 5, are independent normal random variables, where
X1, X2 and X3 have the same distribution N(1, 2) and X4 and X5 have the same
distribution N(-1, 1). Let
(a) Find V(X5 - X3).
1
= √(x1 + x2) — — (Xx3 + x4 + X5).
(b) Find the distribution of Y.
(c) Find Cov(X2 - X1, Y).
-
1. [10] Suppose that X ~N(-2, 4). Let Y = 3X-1.
(a) Find the distribution of Y. Show your work.
(b) Find P(-8< Y < 15) by using the CDF, (2), of the standard normal distribu-
tion.
(c) Find the 0.05th right-tail percentage point (i.e., the 0.95th quantile) of the distri-
bution of Y.
Chapter 9 Solutions
EBK BUSINESS MATH
Ch. 9.1 - Prob. 1-1SCCh. 9.1 - Prob. 1-2SCCh. 9.1 - Prob. 1-3SCCh. 9.1 - Prob. 1-4SCCh. 9.1 - Prob. 2-1SCCh. 9.1 - Prob. 2-2SCCh. 9.1 - Prob. 2-3SCCh. 9.1 - Prob. 2-4SCCh. 9.1 - Prob. 2-5SCCh. 9.1 - Prob. 2-6SC
Ch. 9.1 - Prob. 2-7SCCh. 9.1 - Prob. 2-8SCCh. 9.1 - Prob. 2-9SCCh. 9.1 - Prob. 2-10SCCh. 9.1 - Prob. 2-11SCCh. 9.1 - Prob. 2-12SCCh. 9.1 - Prob. 2-13SCCh. 9.1 - Prob. 2-14SCCh. 9.1 - Prob. 2-15SCCh. 9.1 - Prob. 2-16SCCh. 9.1 - Prob. 2-17SCCh. 9.1 - Prob. 2-18SCCh. 9.1 - Prob. 2-19SCCh. 9.1 - Prob. 2-20SCCh. 9.1 - Prob. 2-21SCCh. 9.1 - Prob. 2-22SCCh. 9.1 - Prob. 2-23SCCh. 9.1 - Prob. 2-24SCCh. 9.1 - Prob. 1SECh. 9.1 - Prob. 2SECh. 9.1 - Prob. 3SECh. 9.1 - Prob. 4SECh. 9.1 - Prob. 5SECh. 9.1 - Prob. 6SECh. 9.1 - Prob. 7SECh. 9.1 - Prob. 8SECh. 9.1 - Prob. 9SECh. 9.1 - Prob. 10SECh. 9.1 - Prob. 11SECh. 9.1 - Prob. 12SECh. 9.1 - Prob. 13SECh. 9.1 - Prob. 14SECh. 9.1 - Prob. 15SECh. 9.1 - Prob. 16SECh. 9.1 - Prob. 17SECh. 9.1 - Prob. 18SECh. 9.1 - Prob. 19SECh. 9.1 - Prob. 20SECh. 9.1 - Prob. 21SECh. 9.1 - Prob. 22SECh. 9.1 - Prob. 23SECh. 9.1 - Prob. 24SECh. 9.1 - Prob. 25SECh. 9.1 - Prob. 26SECh. 9.1 - Prob. 27SECh. 9.1 - Prob. 28SECh. 9.2 - Prob. 1-1SCCh. 9.2 - Prob. 1-2SCCh. 9.2 - Prob. 1-3SCCh. 9.2 - Prob. 1-4SCCh. 9.2 - Prob. 1-5SCCh. 9.2 - Prob. 1-6SCCh. 9.2 - Prob. 1-7SCCh. 9.2 - Prob. 1-8SCCh. 9.2 - Prob. 1-9SCCh. 9.2 - Prob. 1-10SCCh. 9.2 - Prob. 1-11SCCh. 9.2 - Prob. 1-12SCCh. 9.2 - Prob. 1-13SCCh. 9.2 - Prob. 1-14SCCh. 9.2 - Prob. 1-15SCCh. 9.2 - Prob. 1-16SCCh. 9.2 - Prob. 1-17SCCh. 9.2 - Prob. 1-18SCCh. 9.2 - Prob. 1-19SCCh. 9.2 - Prob. 1-20SCCh. 9.2 - Prob. 1-21SCCh. 9.2 - Prob. 1-22SCCh. 9.2 - Prob. 1-23SCCh. 9.2 - Prob. 1-24SCCh. 9.2 - Prob. 2-1SCCh. 9.2 - Prob. 2-2SCCh. 9.2 - Prob. 2-3SCCh. 9.2 - Prob. 2-4SCCh. 9.2 - Prob. 2-5SCCh. 9.2 - Prob. 2-6SCCh. 9.2 - Prob. 1SECh. 9.2 - Prob. 2SECh. 9.2 - Prob. 3SECh. 9.2 - Prob. 4SECh. 9.2 - Prob. 5SECh. 9.2 - Prob. 6SECh. 9.2 - Prob. 7SECh. 9.2 - Prob. 8SECh. 9.2 - Prob. 9SECh. 9.2 - Prob. 10SECh. 9.2 - Prob. 11SECh. 9.2 - Prob. 12SECh. 9.2 - Prob. 13SECh. 9.2 - Prob. 14SECh. 9.2 - Prob. 15SECh. 9.2 - Prob. 16SECh. 9.2 - Prob. 17SECh. 9.2 - Prob. 18SECh. 9.2 - Prob. 19SECh. 9.2 - Prob. 20SECh. 9.2 - Prob. 21SECh. 9.2 - Prob. 22SECh. 9.3 - Prob. 1-1SCCh. 9.3 - Prob. 1-2SCCh. 9.3 - Prob. 1-3SCCh. 9.3 - Prob. 1-4SCCh. 9.3 - Prob. 1-5SCCh. 9.3 - Prob. 1-6SCCh. 9.3 - Prob. 2-1SCCh. 9.3 - Prob. 2-2SCCh. 9.3 - Prob. 2-3SCCh. 9.3 - Prob. 2-4SCCh. 9.3 - Prob. 3-1SCCh. 9.3 - Prob. 3-2SCCh. 9.3 - Prob. 3-3SCCh. 9.3 - Prob. 3-4SCCh. 9.3 - Prob. 1SECh. 9.3 - Prob. 2SECh. 9.3 - Prob. 3SECh. 9.3 - Prob. 4SECh. 9.3 - Prob. 5SECh. 9.3 - Prob. 6SECh. 9.3 - Prob. 7SECh. 9.3 - Prob. 8SECh. 9.3 - Prob. 9SECh. 9.3 - Prob. 10SECh. 9.3 - Prob. 11SECh. 9.3 - Prob. 12SECh. 9.3 - Prob. 13SECh. 9.3 - Prob. 14SECh. 9.3 - Prob. 15SECh. 9.3 - Prob. 16SECh. 9.3 - Prob. 17SECh. 9.3 - Prob. 18SECh. 9.3 - Prob. 19SECh. 9 - Prob. 1ESCh. 9 - Prob. 2ESCh. 9 - Prob. 3ESCh. 9 - Prob. 4ESCh. 9 - Prob. 5ESCh. 9 - Prob. 6ESCh. 9 - Prob. 7ESCh. 9 - Prob. 8ESCh. 9 - Prob. 9ESCh. 9 - Prob. 10ESCh. 9 - Prob. 11ESCh. 9 - Prob. 12ESCh. 9 - Prob. 13ESCh. 9 - Prob. 14ESCh. 9 - Prob. 15ESCh. 9 - Prob. 16ESCh. 9 - Prob. 17ESCh. 9 - Prob. 18ESCh. 9 - Prob. 19ESCh. 9 - Prob. 20ESCh. 9 - Prob. 21ESCh. 9 - Prob. 22ESCh. 9 - Prob. 23ESCh. 9 - Prob. 24ESCh. 9 - Prob. 25ESCh. 9 - Prob. 26ESCh. 9 - Prob. 27ESCh. 9 - Prob. 28ESCh. 9 - Prob. 29ESCh. 9 - Prob. 30ESCh. 9 - Prob. 31ESCh. 9 - Prob. 32ESCh. 9 - Prob. 33ESCh. 9 - Prob. 34ESCh. 9 - Prob. 35ESCh. 9 - Prob. 36ESCh. 9 - Prob. 37ESCh. 9 - Prob. 38ESCh. 9 - Prob. 39ESCh. 9 - Prob. 40ESCh. 9 - Prob. 41ESCh. 9 - Prob. 42ESCh. 9 - Prob. 43ESCh. 9 - Prob. 1PTCh. 9 - Prob. 2PTCh. 9 - Prob. 3PTCh. 9 - Prob. 4PTCh. 9 - Prob. 5PTCh. 9 - Prob. 6PTCh. 9 - Prob. 7PTCh. 9 - Prob. 8PTCh. 9 - Prob. 9PTCh. 9 - Prob. 10PTCh. 9 - Prob. 11PTCh. 9 - Prob. 12PTCh. 9 - Prob. 13PTCh. 9 - Prob. 14PTCh. 9 - Prob. 15PTCh. 9 - Prob. 16PTCh. 9 - Prob. 17PTCh. 9 - Prob. 18PTCh. 9 - Prob. 19PTCh. 9 - Prob. 20PTCh. 9 - Prob. 21PTCh. 9 - Prob. 22PTCh. 9 - Prob. 23PTCh. 9 - Prob. 24PTCh. 9 - Prob. 25PTCh. 9 - Prob. 26PTCh. 9 - Prob. 27PTCh. 9 - Prob. 28PTCh. 9 - Prob. 29PTCh. 9 - Prob. 1CTCh. 9 - Prob. 2CTCh. 9 - Prob. 3CTCh. 9 - Prob. 4CTCh. 9 - Prob. 5CTCh. 9 - Prob. 6CTCh. 9 - Prob. 7CTCh. 9 - Prob. 8CTCh. 9 - Prob. 9CTCh. 9 - Prob. 10CTCh. 9 - Prob. 11CTCh. 9 - Prob. 1CPCh. 9 - Prob. 2CPCh. 9 - Prob. 1CS1Ch. 9 - Prob. 2CS1Ch. 9 - Prob. 3CS1Ch. 9 - Prob. 4CS1Ch. 9 - Prob. 1CS2Ch. 9 - Prob. 2CS2Ch. 9 - Prob. 3CS2Ch. 9 - Prob. 4CS2Ch. 9 - Prob. 5CS2Ch. 9 - Prob. 6CS2Ch. 9 - Prob. 1CS3Ch. 9 - Prob. 2CS3Ch. 9 - Prob. 3CS3Ch. 9 - Prob. 4CS3
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