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14 Aug 2019, 00:29
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
82% (01:15) correct
18%
(01:59)
wrong
based on 133
sessions
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Not Attempted Yet
S = {2, 3, 4, 6}
T = {2, 3, 4, 6}
Two integers will be randomly selected from the sets above, one integer from set S and one integer from set T. What is the probability that the product of the two integers will equal 12?
A. 0.2
B. 3/16
C. 0.25
D. 0.3
E. 1/3
T = {2, 3, 4, 6}
Two integers will be randomly selected from the sets above, one integer from set S and one integer from set T. What is the probability that the product of the two integers will equal 12?
A. 0.2
B. 3/16
C. 0.25
D. 0.3
E. 1/3
14 Aug 2019, 03:07
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Total ways to select two numbers from both sets are 16.
4×4=16
(3,4)-(4,3)-(6,2)-(2,6) are the ways that the product of each pair numbers equals 12.
So,4/16=1/4=0.25
Ootion C
Posted from my mobile device
4×4=16
(3,4)-(4,3)-(6,2)-(2,6) are the ways that the product of each pair numbers equals 12.
So,4/16=1/4=0.25
Ootion C
Posted from my mobile device
Archit3110
Major Poster
14 Aug 2019, 03:21
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Bunuel
total pairs ; 4*4 ; 16
s*t ; for 12 ; ( 2,6) ( 3,4) ( 4,3) ( 6,2)
total pairs ; 4 ; 4/16 ; .25
IMO C
