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@Vocaloid
@Vocaloid
@Vocaloid
count up the outcomes where: one of the dice is 3, and the total sum is 7
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2 and 6
@Vocaloid
consider the outcomes where one die is 3 AND the sum is < 7
the total number of outcomes obeying both these conditions is ___
um well there are only 2 3's
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first, look at all of the sums that are less than 7 then, from those, look at the sums where one dice is 3
|dw:1506648290462:dw|
15 are less than 7
|dw:1506648296613:dw|
good, now look at the sums where one of the dice is 3
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|dw:1506648324597:dw|
6?
not quite
2 and 1
how many numbers are overlapped by the black and brown regions?
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5?
good so your final answer is 5/36
that's lowest term right
yes
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