Record Number Arrival Date Requested Weekend Quoted Time of Inventory Availabili
ID: 2402014 • Letter: R
Question
Record Number
Arrival Date
Requested Weekend
Quoted Time of Inventory Availability (# Weekends)
1
11/1/2011
11/5/2011
0
2
11/1/2011
11/5/2011
0
3
11/7/2011
11/12/2011
0
4
11/8/2011
11/12/2011
0
5
11/10/2011
11/12/2011
0
6
11/12/2011
11/19/2011
0
7
11/19/2011
11/26/2011
0
8
11/20/2011
11/26/2011
0
9
11/21/2011
11/26/2011
0
10
11/23/2011
11/26/2011
1
11
11/25/2011
11/26/2011
1
12
11/26/2011
12/3/2011
0
13
11/26/2011
12/3/2011
1
14
11/27/2011
12/3/2011
1
15*
12/1/2011
12/3/2011
1
16
12/2/2011
12/3/2011
1
17
12/5/2011
12/10/2011
1
18
12/7/2011
12/10/2011
1
19
12/7/2011
12/10/2011
1
20
12/9/2011
12/10/2011
2
21*
12/11/2011
12/17/2011
1
22
12/11/2011
12/17/2011
1
23
12/12/2011
12/17/2011
1
24
12/13/2011
12/17/2011
2
25
12/14/2011
12/17/2011
2
26
12/15/2011
12/17/2011
2
27
12/18/2011
12/24/2011
2
28*
12/19/2011
12/24/2011
2
29*
12/20/2011
12/24/2011
2
30*
12/21/2011
12/24/2011
2
31
12/21/2011
12/24/2011
2
32*
12/23/2011
12/24/2011
2
33*
12/24/2011
12/31/2011
1
34
12/24/2011
12/31/2011
1
35*
12/26/2011
12/31/2011
2
36*
12/26/2011
12/31/2011
2
37
12/27/2011
12/31/2011
2
38
12/29/2011
12/31/2011
2
39
12/29/2011
12/31/2011
2
40*
12/30/2011
12/31/2011
3
41*
12/30/2011
12/31/2011
3
42
1/1/2012
1/7/2012
2
43
1/1/2012
1/7/2012
2
44
1/3/2012
1/7/2012
2
45*
1/6/2012
1/14/2012
2
46
1/9/2012
1/14/2012
2
47
1/11/2012
1/14/2012
2
48*
1/12/2012
1/14/2012
2
49
1/13/2012
1/14/2012
2
50
1/16/2012
1/21/2012
2
51*
1/17/2012
1/21/2012
2
52*
1/26/2012
1/28/2012
1
53
1/28/2012
2/4/2012
0
54
1/31/2012
2/4/2012
0
55
2/1/2012
2/4/2012
1
56
2/5/2012
2/11/2012
0
57
2/6/2012
2/11/2012
0
58
2/7/2012
2/11/2012
1
59
2/9/2012
2/11/2012
1
60
2/9/2012
2/11/2012
1
61
2/15/2012
2/18/2012
1
62
2/15/2012
2/18/2012
1
63
2/19/2012
2/25/2012
0
64
2/20/2012
2/25/2012
1
65
2/21/2012
2/25/2012
1
66
2/23/2012
2/25/2012
1
67
2/24/2012
3/3/2012
1
68
2/25/2012
3/3/2012
1
69*
2/26/2012
3/3/2012
1
70
2/26/2012
3/3/2012
1
71
2/28/2012
3/3/2012
2
72*
2/29/2012
3/3/2012
2
73*
3/4/2012
3/10/2012
1
74
3/4/2012
3/10/2012
1
75
3/5/2012
3/10/2012
1
76
3/6/2012
3/10/2012
2
77
3/7/2012
3/10/2012
2
78*
3/7/2012
3/10/2012
2
79*
3/9/2012
3/17/2012
1
80*
3/11/2012
3/17/2012
1
81
3/16/2012
3/17/2012
1
82
3/16/2012
3/17/2012
2
83
3/17/2012
3/24/2012
1
84
3/17/2012
3/24/2012
1
85
3/19/2012
3/24/2012
2
86*
3/20/2012
3/24/2012
2
87
3/27/2012
3/31/2012
1
88
3/27/2012
3/31/2012
1
89
3/28/2012
3/31/2012
2
90
3/31/2012
4/7/2012
1
91
4/4/2012
4/7/2012
1
92
4/5/2012
4/7/2012
2
93
4/12/2012
4/14/2012
1
94
4/14/2012
4/21/2012
0
95
4/18/2012
4/21/2012
1
96
4/24/2012
4/28/2012
0
97
4/26/2012
4/28/2012
0
1) Exhibit 8 of the case indicates that 97 rental requests arrived over a 26 week span. Assuming that everyone rents a pair of skis for one weekend and that Salt Lake City has 3 pairs of rental skis, what is the utilization of those skis?
A. 1.24
B. .74
C. 1.14
D. .84
2) Exhibit 8 of the case indicates that 97 rental requests arrived over a 26 week span. Assuming that everyone rents a pair of skis for one weekend and that Salt Lake City has 4 pairs of rental skis, what is the utilization of those skis?
A. .93
B. .83
C. 1.13
D. .73
3) Exhibit 8 of the case indicates that 97 rental requests arrived over a 26 week span. Assume that everyone rents a pair of skis for one weekend and that Salt Lake City has 4 pairs of rental skis. Also assume no variation in rental times (i.e. the standard deviation of rental times is zero) and that inter-arrival times are exponentially distributed. How long, on average, do customers have to wait for a pair of skis?
A. 1.5 weeks
B. 1.25 weeks
C. 2 weeks
D. 1.75 weeks
4) Exhibit 8 of the case indicates that 97 rental requests arrived over a 26 week span. Assume that everyone rents a pair of skis for one weekend and that Salt Lake City has 5 pairs of rental skis. Also assume no variation in rental times (i.e. the standard deviation of rental times is zero) and that inter-arrival times are exponentially distributed. How long, on average, do customers have to wait for a pair of skis?
A. 1.19 weeks
B. .69 weeks
C. .19 weeks
D. .89 weeks
Record Number
Arrival Date
Requested Weekend
Quoted Time of Inventory Availability (# Weekends)
1
11/1/2011
11/5/2011
0
2
11/1/2011
11/5/2011
0
3
11/7/2011
11/12/2011
0
4
11/8/2011
11/12/2011
0
5
11/10/2011
11/12/2011
0
6
11/12/2011
11/19/2011
0
7
11/19/2011
11/26/2011
0
8
11/20/2011
11/26/2011
0
9
11/21/2011
11/26/2011
0
10
11/23/2011
11/26/2011
1
11
11/25/2011
11/26/2011
1
12
11/26/2011
12/3/2011
0
13
11/26/2011
12/3/2011
1
14
11/27/2011
12/3/2011
1
15*
12/1/2011
12/3/2011
1
16
12/2/2011
12/3/2011
1
17
12/5/2011
12/10/2011
1
18
12/7/2011
12/10/2011
1
19
12/7/2011
12/10/2011
1
20
12/9/2011
12/10/2011
2
21*
12/11/2011
12/17/2011
1
22
12/11/2011
12/17/2011
1
23
12/12/2011
12/17/2011
1
24
12/13/2011
12/17/2011
2
25
12/14/2011
12/17/2011
2
26
12/15/2011
12/17/2011
2
27
12/18/2011
12/24/2011
2
28*
12/19/2011
12/24/2011
2
29*
12/20/2011
12/24/2011
2
30*
12/21/2011
12/24/2011
2
31
12/21/2011
12/24/2011
2
32*
12/23/2011
12/24/2011
2
33*
12/24/2011
12/31/2011
1
34
12/24/2011
12/31/2011
1
35*
12/26/2011
12/31/2011
2
36*
12/26/2011
12/31/2011
2
37
12/27/2011
12/31/2011
2
38
12/29/2011
12/31/2011
2
39
12/29/2011
12/31/2011
2
40*
12/30/2011
12/31/2011
3
41*
12/30/2011
12/31/2011
3
42
1/1/2012
1/7/2012
2
43
1/1/2012
1/7/2012
2
44
1/3/2012
1/7/2012
2
45*
1/6/2012
1/14/2012
2
46
1/9/2012
1/14/2012
2
47
1/11/2012
1/14/2012
2
48*
1/12/2012
1/14/2012
2
49
1/13/2012
1/14/2012
2
50
1/16/2012
1/21/2012
2
51*
1/17/2012
1/21/2012
2
52*
1/26/2012
1/28/2012
1
53
1/28/2012
2/4/2012
0
54
1/31/2012
2/4/2012
0
55
2/1/2012
2/4/2012
1
56
2/5/2012
2/11/2012
0
57
2/6/2012
2/11/2012
0
58
2/7/2012
2/11/2012
1
59
2/9/2012
2/11/2012
1
60
2/9/2012
2/11/2012
1
61
2/15/2012
2/18/2012
1
62
2/15/2012
2/18/2012
1
63
2/19/2012
2/25/2012
0
64
2/20/2012
2/25/2012
1
65
2/21/2012
2/25/2012
1
66
2/23/2012
2/25/2012
1
67
2/24/2012
3/3/2012
1
68
2/25/2012
3/3/2012
1
69*
2/26/2012
3/3/2012
1
70
2/26/2012
3/3/2012
1
71
2/28/2012
3/3/2012
2
72*
2/29/2012
3/3/2012
2
73*
3/4/2012
3/10/2012
1
74
3/4/2012
3/10/2012
1
75
3/5/2012
3/10/2012
1
76
3/6/2012
3/10/2012
2
77
3/7/2012
3/10/2012
2
78*
3/7/2012
3/10/2012
2
79*
3/9/2012
3/17/2012
1
80*
3/11/2012
3/17/2012
1
81
3/16/2012
3/17/2012
1
82
3/16/2012
3/17/2012
2
83
3/17/2012
3/24/2012
1
84
3/17/2012
3/24/2012
1
85
3/19/2012
3/24/2012
2
86*
3/20/2012
3/24/2012
2
87
3/27/2012
3/31/2012
1
88
3/27/2012
3/31/2012
1
89
3/28/2012
3/31/2012
2
90
3/31/2012
4/7/2012
1
91
4/4/2012
4/7/2012
1
92
4/5/2012
4/7/2012
2
93
4/12/2012
4/14/2012
1
94
4/14/2012
4/21/2012
0
95
4/18/2012
4/21/2012
1
96
4/24/2012
4/28/2012
0
97
4/26/2012
4/28/2012
0
Explanation / Answer
1 Number of rental request 97 Number of weekends 26 Number of pairs of rental skis 3 Total number of pairs for all the weekends 78 Utilization (97/78) 1.24 2 Number of rental request 97 Number of weekends 26 Number of pairs of rental skis 4 Total number of pairs for all the weekends 104 Utilization (97/104) 0.93
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