Math Exam Final Review Worksheet With Answer Key - M118, Indiana University Southeast Page 12
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12Answer Key
Testname: M118 FINAL REVIEW.TST
58) Answer: 0.12
59) Answer: 0.98
60) Answer: 0.71
61) Answer: 5/8
62) Answer: 35/65
63) Answer: 0.350
64) Answer: 1/3
65) Answer: yes
66) Answer: 42/90
67) Answer: 0.015
68) Answer: 0.53
69) Answer: 0.26
70) Answer:
71) Answer: mean = 6.9, standard deviation ‘ 4.92
72) Answer: Interval
Frequency
Relative Frequency
20.5-24.5
2
.10
24.5-28.5
3
.15
28.5-32.5
5
.25
32.5-36.5
5
.25
36.5-40.5
3
.15
40.5-44.5
2
.10
73) Answer: a) mean = 440
b) mode = 300
c) median = 350
d) range = 700
74) Answer: mean = 6.1
75) Answer: s = 9.4, s = 8.2
76) Answer: 2.98
77) Answer: 16.75
78) Answer: mean = 4.2, standard deviation = 1.1
79) Answer: a) 0.0512
b) 0.99328
80) Answer: 0.1844
81) Answer: 0.33
82) Answer: 60%
83) Answer: C 14,12 (.5) 14 ‘ .0056
84) Answer: a) P(x) = C 6,x (.42) x (.58) 6-x
b) P(3 or more successes) = .497
85) Answer: mean = .16, standard deviation = .40
86) Answer: 0.850
87) Answer: a) P(> 8900) = .0287
b) P(=8000) = 0
c) P(<8000) = .8413
88) Answer: 0.1711
89) Answer: 9.1%
90) Answer: P(less than 58 successes) = .776
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