1 Answer

Trevorp · Answer 1 · 2019-07-14T14:04:10+0000

19. A
There are 4 papers with a score of 6, and there are 12 papers total. So the probability of selecting a paper with a score of 6 is
(4)/(12)

. Dividing both sides by 4 will simplify it to
(1)/(3)

.

20. F
There are 2 papers with a score greater than 7, and there are 12 papers total. The probability of selecting a paper with a score greater than 7 is
(2)/(12)

. This can be simplified by dividing both sides by 2. The answer then comes out to
(1)/(6)

.

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