substances used 0 1 2 O d. 0.0109, 0.9781, 0.0328, 0.18. Frequency 153 350 148 77 43 24 9 11 4 3 A subject is selected at random from those involved in the study. Let på be the probability that the subject used 6 addictive substances, på the probability that the subject used fewe than 7 addictive substances, p3 the probability that the subject used more than 5 addictive substances, and p4 the probability that the subject used between 1 and 2 addictive substances, inclusive. Then the p₁, P2, P3, and på are, respectively, (Choose one from the following which is closest to the correct answer.) c. 0.0109, 0.9915, 0.0328, 0.6058. O a. 0.0109, 0.9781, 0.0328, 0.4258. e. 0.0109, 0.9781, 0.0328, 0.6058. 3 3 b. 0.0109, 0.9781, 0.062, 0.6058. 4 4 5 6 7 8 9

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Let discrete random variable X represeant the number of addictive substances used by
subjects is a study. The following table summarize the frequency distribution for this random
variable. (Data are randomly generated)
Number of addictive
substances used 0 1 2
3 4 5 6 7 8 9
Frequency
153 350 148 77 43 24 9 11 4 3
A subject is selected at random from those involved in the study. Let p₁ be the probability
that the subject used 6 addictive substances, p2 the probability that the subject used fewer
than 7 addictive substances, p3 the probability that the subject used more than 5 addictive
substances, and p4 the probability that the subject used between 1 and 2 addictive
substances, inclusive. Then the p₁, P2, P3, and på are, respectively, (Choose one from the
following which is closest to the correct answer.)
O d. 0.0109, 0.9781, 0.0328, 0.18.
c. 0.0109, 0.9915, 0.0328, 0.6058.
a. 0.0109, 0.9781, 0.0328, 0.4258.
e. 0.0109, 0.9781, 0.0328, 0.6058.
b. 0.0109, 0.9781, 0.062, 0.6058.
Transcribed Image Text:Let discrete random variable X represeant the number of addictive substances used by subjects is a study. The following table summarize the frequency distribution for this random variable. (Data are randomly generated) Number of addictive substances used 0 1 2 3 4 5 6 7 8 9 Frequency 153 350 148 77 43 24 9 11 4 3 A subject is selected at random from those involved in the study. Let p₁ be the probability that the subject used 6 addictive substances, p2 the probability that the subject used fewer than 7 addictive substances, p3 the probability that the subject used more than 5 addictive substances, and p4 the probability that the subject used between 1 and 2 addictive substances, inclusive. Then the p₁, P2, P3, and på are, respectively, (Choose one from the following which is closest to the correct answer.) O d. 0.0109, 0.9781, 0.0328, 0.18. c. 0.0109, 0.9915, 0.0328, 0.6058. a. 0.0109, 0.9781, 0.0328, 0.4258. e. 0.0109, 0.9781, 0.0328, 0.6058. b. 0.0109, 0.9781, 0.062, 0.6058.
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