X p(x) (a) Compute E(X), E(X2), and V(X). E(X)= 18 E(X2)= 327.2 ✓ ft³ V(X)= 3.2 18 16 20 0.4 0.2 0.4 (b) If the price of a freezer having capacity X is 65X- 650, what is the expected price paid by the next customer to buy a freezer? $ 520 ed Help? (c) What is the variance of the price paid by the next customer? 13520 ASK YOUR TEACHER PRACTICE erent rated capacities: 16 ft³, 18 ft, and 20 ft. Let X- the rated capacity of a freezer of this brand sold at a certain store, Suppose that X (d) Suppose that although the rated capacity of a freezer is X, the actual capacity is h(X) = X - 0.009x2. What is the expected actual capacity of the freezer purchased by the next custa answer to four decimal places.) ft³ Read It Watch It
X p(x) (a) Compute E(X), E(X2), and V(X). E(X)= 18 E(X2)= 327.2 ✓ ft³ V(X)= 3.2 18 16 20 0.4 0.2 0.4 (b) If the price of a freezer having capacity X is 65X- 650, what is the expected price paid by the next customer to buy a freezer? $ 520 ed Help? (c) What is the variance of the price paid by the next customer? 13520 ASK YOUR TEACHER PRACTICE erent rated capacities: 16 ft³, 18 ft, and 20 ft. Let X- the rated capacity of a freezer of this brand sold at a certain store, Suppose that X (d) Suppose that although the rated capacity of a freezer is X, the actual capacity is h(X) = X - 0.009x2. What is the expected actual capacity of the freezer purchased by the next custa answer to four decimal places.) ft³ Read It Watch It
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Letter d pls
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t
Upright freezer is available in three different rated capacities: 16 ft³, 18 ft, and 20 ft³. Let X - the rated capacity of a freezer of this brand sold at a certain store. Suppose that Xh
X
p(x)
(a) Compute E(X), E(X2), and V(X).
E(X)= 18
ft3
E(X2) = 327.2
V(X) = 3.2
med Help?
(b) If the price of a freezer having capacity X is 65X- 650, what is the expected price paid by the next customer to buy a freezer?
$ 520
16 18 20
0.4 0.2 0.4
(c) What is the variance of the price paid by the next customer?
13520
(d) Suppose that although the rated capacity of a freezer is X, the actual capacity is h(X) = X - 0.009x2. What is the expected actual capacity of the freezer purchased by the next custom
answer to four decimal places.)
ft³
Read It
DETAILS
Watch It
DEVORESTAT9 3.4.047.S.
USE SALT
ASK YOUR TEACHER PRACTICE AB
-ints]
ASK YOUR TEACHER
ticle reported that 7 in 10 auto accidents involve a single vehicle (the article recommended always reporting to the insurance company an accident involving multiple vehicles). Suppose
omly selected. Use Appendix Table A.1 or SALT to answer each of the following questions. (Round your answers to three decimal places.)
What is the probability that at most 8 involve a single vehicle?
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Transcribed Image Text:lowing pmf.
t
Upright freezer is available in three different rated capacities: 16 ft³, 18 ft, and 20 ft³. Let X - the rated capacity of a freezer of this brand sold at a certain store. Suppose that Xh
X
p(x)
(a) Compute E(X), E(X2), and V(X).
E(X)= 18
ft3
E(X2) = 327.2
V(X) = 3.2
med Help?
(b) If the price of a freezer having capacity X is 65X- 650, what is the expected price paid by the next customer to buy a freezer?
$ 520
16 18 20
0.4 0.2 0.4
(c) What is the variance of the price paid by the next customer?
13520
(d) Suppose that although the rated capacity of a freezer is X, the actual capacity is h(X) = X - 0.009x2. What is the expected actual capacity of the freezer purchased by the next custom
answer to four decimal places.)
ft³
Read It
DETAILS
Watch It
DEVORESTAT9 3.4.047.S.
USE SALT
ASK YOUR TEACHER PRACTICE AB
-ints]
ASK YOUR TEACHER
ticle reported that 7 in 10 auto accidents involve a single vehicle (the article recommended always reporting to the insurance company an accident involving multiple vehicles). Suppose
omly selected. Use Appendix Table A.1 or SALT to answer each of the following questions. (Round your answers to three decimal places.)
What is the probability that at most 8 involve a single vehicle?
PR
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