Use the following for problems 9 and 10. The number of DVDS rented daily at DVD rental machine has a menn of 134 with a standard deviation of 42. 9 Select two days at random and find the difference in the number of DVDS rented on the two days What al the mean and standard deviation of the difference in the number of DVDS rented? (a) Mean = 0, Standard Deviation = 0 (b) Mean = 0, Standard Deviation = 84 (c) Mean=0, Standard Deviation = 59 (d) Mean = 92, Standard Deviation = 42 (e) Mean = 134, Standard Deviation = 42 29.0 OLY HA in! Tauouninos ei zaldaine mobnT 10. The cost of the electricity to keep the DVD rental machine on is $1.45 per day. Each DVD rental increases the electricity cost by $0.02. What are the mean and standard deviation of the electricity cost per day? (a) Mean = $4.13, Standard Deviation = $0.84 (b) Mean = $4.13, Standard Deviation = $1.47 (c) Mean = $4.13, Standard Deviation = $2.29 (d) Mean = $2.68, Standard Deviation = $0.84 g ut)gor bei p (e) Mean= $2.68, Standard Deviation = $2.29eol la suld no ebnsl 150ine odi seds viilidedoay 11. The literacy rate for a nation measures the proportion of people age 15 and over who can read and write. The literacy rate for women in Afghanistan is 12%. Let X= the number of Afghani women you ask until one says that she is literate. The mean and standard deviation of this distribution is closest to: (a) Mean = 0.12, Standard Deviation = 0.0144 (b) Mean = 8.33, Standard Deviation = 61.1 (c) Mean = 8.33, Standard Deviation= 7.82 (d) Mean = 1.14, Standard Deviation = 61.1 (e) Mean = 1.14, Standard Deviation = 7.82 %3D

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
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Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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number 9
BCUIIcic setting.
humber of riais I.
(e) The distribution of every binomial random variable is skewed right. d
Use the following for problems 9 and 10. The number of DVDS rented daily at DVD rental machine has a mean
of 134 with a standard deviation of 42.
9 Select two days at random and find the difference in the number of DVDS rented on the two days. What al
the mean and standard deviation of the difference in the number of DVDS rented?
(a) Mean = 0, Standard Deviation = 0
(b) Mean = 0, Standard Deviation = 84
(c) Mean =0, Standard Deviation = 59
(d) Mean = 92, Standard Deviation = 42
(e) Mean = 134, Standard Deviation = 42
Sauouniinos ei zaldsiner mobnm gra
%3D
म /20
10. The cost of the electricity to keep the DVD rental machine on is $1.45 per day. Each DVD rental increases.
the electricity cost by $0.02. What are the mean and standard deviation of the electricity cost per day?
(a) Mean = $4.13, Standard Deviation = $0.84
(b) Mean = $4.13, Standard Deviation = $1.47
(c) Mean = $4.13, Standard Deviation = $2.29
(d) Mean = $2.68, Standard Deviation = $0.84 orburi po
(e) Mean = $2.68, Standard Deviation = $2.29 oid no chnsl 150mine oni sed: viilidedon
20ou o0 ns ovode zoldainev edo
11. The literacy rate for a nation measures the proportion of people age 15 and over who can read and write.
The literacy rate for women in Afghanistan is 12%. Let X= the number of Afghani women you ask until one
says that she is literate. The mean and standard deviation of this distribution is closest to:
(a) Mean = 0.12, Standard Deviation = 0.0144
(b) Mean = 8.33, Standard Deviation = 61.1
(c) Mean = 8.33, Standard Deviation = 7.82
(d) Mean = 1.14, Standard Deviation = 61.1
(e) Mean = 1.14, Standard Deviation = 7.82
%3D
%3D
%3D
%3D
%3D
Transcribed Image Text:BCUIIcic setting. humber of riais I. (e) The distribution of every binomial random variable is skewed right. d Use the following for problems 9 and 10. The number of DVDS rented daily at DVD rental machine has a mean of 134 with a standard deviation of 42. 9 Select two days at random and find the difference in the number of DVDS rented on the two days. What al the mean and standard deviation of the difference in the number of DVDS rented? (a) Mean = 0, Standard Deviation = 0 (b) Mean = 0, Standard Deviation = 84 (c) Mean =0, Standard Deviation = 59 (d) Mean = 92, Standard Deviation = 42 (e) Mean = 134, Standard Deviation = 42 Sauouniinos ei zaldsiner mobnm gra %3D म /20 10. The cost of the electricity to keep the DVD rental machine on is $1.45 per day. Each DVD rental increases. the electricity cost by $0.02. What are the mean and standard deviation of the electricity cost per day? (a) Mean = $4.13, Standard Deviation = $0.84 (b) Mean = $4.13, Standard Deviation = $1.47 (c) Mean = $4.13, Standard Deviation = $2.29 (d) Mean = $2.68, Standard Deviation = $0.84 orburi po (e) Mean = $2.68, Standard Deviation = $2.29 oid no chnsl 150mine oni sed: viilidedon 20ou o0 ns ovode zoldainev edo 11. The literacy rate for a nation measures the proportion of people age 15 and over who can read and write. The literacy rate for women in Afghanistan is 12%. Let X= the number of Afghani women you ask until one says that she is literate. The mean and standard deviation of this distribution is closest to: (a) Mean = 0.12, Standard Deviation = 0.0144 (b) Mean = 8.33, Standard Deviation = 61.1 (c) Mean = 8.33, Standard Deviation = 7.82 (d) Mean = 1.14, Standard Deviation = 61.1 (e) Mean = 1.14, Standard Deviation = 7.82 %3D %3D %3D %3D %3D
Expert Solution
Step 1

Solution:

Let X be the number of DVDs rented daily at DVD rental machine.

From the given information, µ=134 and σ=42.

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