; Math 13 L Shipley Answers for Exam _3 Review Here are the answers
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Math 13 L Shipley Answers for Exam _3 Review Here are the answers

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									Math 13                                                                        L Shipley
Answers for Exam #3 Review
Here are the answers as the textbook answered them. However, when I wrote up the
solutions ( find them online) I arrived at different answers. We can resolve the differences in
class.
1.       False
2.       A
3.       C
4.        A ∩ B = {Cafe Ronaldo, Bombay Bistro, Chef Wong's} These restaurants are the
most frequented and the most admired according the Boston Magazine
5.        A ∪ B = {Dynex, Toshiba} These were the TV's that Howie found to be neither
reliable nor of best value.
6.       B
7.       A
8.       a) A ∩ B = {5,10}

         b) ( A ∪ B ) ∩ C = {2,9}

         c) A ∪ ( B ∩ C ) = {1, 2.8,9}

         d) B ∪ C = {1, 5,10}

         e) A ∪ B = {1, 2,3,5, 9,10}
9.       n( A ∪ B ) = 104
10.      650
11.      78
12.      97 ( my answer is 102 – different than the textbook)
13.
a) 166              b) 110              c) 142
14.      n( A ∪ B ) = 111
15.      510
16.      C
17.      B
18.      1,814,400
19.      2,016
20.      5
           1
21.
         42!
22.      1,395,360
23.      48,228,180
24.      3,628,800
25.      24 (my answer is 5040. I believe the textbook is incorrect).
26.      3,628,800
27.      742,560
28.      1820
29.        1
30         165
31.        657,800
32.        4,989,100 ( I arrived at 4,989,600)
33.        61,440 ( my answer is 960 – different than textbook’s)
34.        128
35.        45
36.        32
37.        {H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6}
                    7            1
38.        P ( H ) = , P (T ) =
                    8            8
39.        4
40.        10,077,696
41.        132,600
42.        1728
43.        13,747,968
44.        155,937,600 ( my answer is 6,497,400 – different than the textbook’s answer)
45.
      45                                   38                                47
a)                                    b)                                c)
      73                                   73                                73

46.     .39
47.     .58
48.     .16
49.     .29
50.     .43
51.     .35
52.
a) 0.45           b) 0.04         c) 0.83
53.
a) 0.55           b) 0.59         c) 0.9
54.     .69
55.     .33
56.
a) 0.29           b) 0.91         c) 0.39

								
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