Refer to the data file P08_63.xlsx. SoftBus Company sells PC equipment and customized software to small companies to help them manage their day-to-day business activities. Although SoftBus spends time with all customers to understand their needs, the customers are eventually on their own to use the equipment and software intelligently. To understand its customers better, SoftBus recently sent questionnaires to a large number of prospective customers. Key personnel—those who would be using the software—were asked to fill out the questionnaire. SoftBus received 82 usable responses, as shown in the file. You can assume that these employees represent a random sample of all of SoftBus's prospective customers.SoftBus believes it can afford to spend much less time with customers who own PCs and score at least 4 on PC Knowledge. Let's call these the "PC-savvy" customers. On the other hand, SoftBus believes it will have to spend a lot of time with customers who do not own a PC and score 2 or less on PC Knowledge. Let's call these the "PC-illiterate" customers, SoftBus believes its profit from each prospective customer depends on the customer's level of PC knowledge. It divides the customers into three classes: PC-savvy, PC-illiterate, and all others. As a rough guide, SoftBus figures it can gain profit P1 from each PC-savvy customer, profit P3 from each PC-illiterate customer, and profit P2 from each of the others.a. What values of P1, P2, and P3 seem reasonable? For example, would you expect P1 < P2 < P3 or the opposite?b. Using a profit P1 of $5,000, a profit P2 of $4,500, and a profit P3 of $4,000, calculate a 95% confidence interval for the mean profit per customer that SoftBus can expect to obtain. (Round your answers to one decimal place.) Employee GenderFemale12Male3Male4Male5Male6Male7Male8Male9Male10Male11Male12Male13Female14Male15Male16Male17Female18Male19Female20Male21Male22Male23Female2425262728MaleMaleMaleMaleMale29Female30Male31 Male32Male33Male34Male35Male36Male37Female38Male39Male40Female41Male42Male43MaleYears Experience Education15128182138811141786151011117이이영기리1314810108121112107138181048S1186NNNNN ~ 3 3 3 3 3 3 3 3 2 2 392242134222343 ~ 3 3334212 9 13 1524122425242Own PCNoNoYesNoNoYesYesYesNoNoYesYesNoNoYesNoNoNoNoYesNoYesYesYesNoYesNoNoNoYesNoNoYesYesYesNoNoYesNoNoYesYesNoPC Knowledge13NWU3223422144233233243ING WN W2352343234245432531432 444799AMHhOHNHNHOORNAMNKARAH45464850515253545556575859606162636465666768697071727375767778808182MaleFemaleFemaleMaleFemaleFemaleFemaleFemaleMaleMaleMaleFemaleMaleMaleMaleFemaleFemaleFemaleFemaleFemaleMaleMaleMaleMaleMaleFemaleFemaleMaleFemaleFemaleFemaleMaleFemaleMaleMaleFemaleMaleMaleMale144639 008138006665600NO ∞ ∞0 A4108811789710999812panrnnnng, p5918 5 pmn81171111121299101110111143 m m m & 3 3 5 3 ♡ ♡ ♡ ♡ ♡ ~ 35 35 ~ 3 3 3 ANN23334233333224134212424422YesNoNoYesNoNoNoNoYesNoYesNoYesNoYesNoNoNoYesNoYesYesNoYesYesNoNoNoNoYesNoYesNoNoNoYesYesYesNo331434434252434243334525224222233333333

Answered: a. What values of P1, P2, and P3 seem…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter1: Fundamental Concepts Of Algebra

Section1.4: Fractional Expressions

Problem 7E

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Question

Refer to the data file P08_63.xlsx. SoftBus Company sells PC equipment and customized software to small companies to help them manage their day-to-day business activities. Although SoftBus spends time with all customers to understand their needs, the customers are eventually on their own to use the equipment and software intelligently. To understand its customers better, SoftBus recently sent questionnaires to a large number of prospective customers. Key personnel—those who would be using the software—were asked to fill out the questionnaire. SoftBus received 82 usable responses, as shown in the file. You can assume that these employees represent a random sample of all of SoftBus's prospective customers.

SoftBus believes it can afford to spend much less time with customers who own PCs and score at least 4 on PC Knowledge. Let's call these the "PC-savvy" customers. On the other hand, SoftBus believes it will have to spend a lot of time with customers who do not own a PC and score 2 or less on PC Knowledge. Let's call these the "PC-illiterate" customers, SoftBus believes its profit from each prospective customer depends on the customer's level of PC knowledge. It divides the customers into three classes: PC-savvy, PC-illiterate, and all others. As a rough guide, SoftBus figures it can gain profit P₁ from each PC-savvy customer, profit P₃ from each PC-illiterate customer, and profit P₂ from each of the others.

a. What values of P₁, P₂, and P₃ seem reasonable? For example, would you expect P₁ < P₂ < P₃ or the opposite?

b. Using a profit P₁ of $5,000, a profit P₂ of $4,500, and a profit P₃ of $4,000, calculate a 95% confidence interval for the mean profit per customer that SoftBus can expect to obtain. (Round your answers to one decimal place.)

Employee Gender
Female
1
2
Male
3
Male
4
Male
5
Male
6
Male
7
Male
8
Male
9
Male
10
Male
11
Male
12
Male
13
Female
14
Male
15
Male
16
Male
17
Female
18
Male
19
Female
20
Male
21
Male
22
Male
23
Female
24
25
26
27
28
Male
Male
Male
Male
Male
29
Female
30
Male
31 Male
32
Male
33
Male
34
Male
35
Male
36
Male
37
Female
38
Male
39
Male
40
Female
41
Male
42
Male
43
Male
Years Experience Education
15
12
8
18
2
13
8
8
11
14
17
8
6
15
10
11
11
7
이이영기리
13
14
8
10
10
8
12
11
12
10
7
13
8
18
10
4
8
S
11
8
6
NNNNN ~ 3 3 3 3 3 3 3 3 2 2 3
9
2
2
4
2
1
3
4
2
2
2
343 ~ 3 33342
12 9 13 15
2
4
1
2
2
4
2
5
2
4
2
Own PC
No
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
No
No
Yes
Yes
No
PC Knowledge
1
3
NWU
3
2
2
3
4
2
2
1
4
4
2
3
3
2
3
3
2
4
3
ING WN W
2
3
5
2
3
4
3
2
3
4
2
4
5
4
3
2
5
3
1
4
3
2

444799AMHhOHNHNHOORNAMNKARAH
45
46
48
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
75
76
77
78
80
81
82
Male
Female
Female
Male
Female
Female
Female
Female
Male
Male
Male
Female
Male
Male
Male
Female
Female
Female
Female
Female
Male
Male
Male
Male
Male
Female
Female
Male
Female
Female
Female
Male
Female
Male
Male
Female
Male
Male
Male
14
4639 00
8
13
8
006665600NO ∞ ∞0 A
4
10
8
8
11
7
8
9
7
10
9
9
9
8
12
panrnnnng, p5918 5 pmn
8
11
7
11
11
12
12
9
9
10
11
10
11
11
43 m m m & 3 3 5 3 ♡ ♡ ♡ ♡ ♡ ~ 35 35 ~ 3 3 3 ANN
2
3
3
3
4
2
3
3
3
3
3
2
2
4
1
3
4
2
1
2
4
2
4
4
2
2
Yes
No
No
Yes
No
No
No
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
No
Yes
No
No
No
Yes
Yes
Yes
No
3
3
1
4
3
4
4
3
4
2
5
2
4
3
4
2
4
3
3
3
4
5
2
5
2
2
4
2
2
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2
3
3
3
3
3
3
3
3

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