Table 1 Number of Co-occurring Addictive Substances Used by Patients in Selected
ID: 2934670 • Letter: T
Question
Table 1 Number of Co-occurring Addictive Substances Used by Patients in Selected Gambling Treatment Programs
Number of Substances Used
Frequency
0
1
2
3
4
5
6
7
8
9
144
342
142
72
39
20
6
9
2
1
Total
777
3.a. Using Table 1, Construct a table of the relative frequency and the cumulative relative frequency for this discrete distribution.
3.b. What is the probability that an individual selected at random used five addictive substance?
3.c. What is the probability that an individual selected at random used more than six addictive substance?
Number of Substances Used
Frequency
0
1
2
3
4
5
6
7
8
9
144
342
142
72
39
20
6
9
2
1
Total
777
Explanation / Answer
3a)
Number of
Substances used
Cumulative relative
frequency
3b) probability =0.0257
3c) probability =0.0077+0.0116+0.0026+0.0013=0.0232
Number of
Substances used
Frequency relative frequencyCumulative relative
frequency
0 144 0.1853 0.1853 1 342 0.4402 0.6255 2 142 0.1828 0.8083 3 72 0.0927 0.9010 4 39 0.0502 0.9512 5 20 0.0257 0.9769 6 6 0.0077 0.9846 7 9 0.0116 0.9962 8 2 0.0026 0.9988 9 1 0.0013 1 Total 777 1 ----XX-----Related Questions
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