In the box there are 20 toys, but 5 of them are broken. Randomly one after another 2 toys are taken out. What are the chances th
at the 2 taken out toys are broken ?
A - 1/19
B - 3/4
C - 7/16
D - 3/10
A - 1/19
B - 3/4
C - 7/16
D - 3/10
1 answer:
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Check the picture below.
something worth noticing
so, we're really graphing x+2, with a hole at x = 3, however, when x = 3, we know that f(x) = 5, but but but, when x = 3, x+2 = 5, so we end up with a continuous line all the way, x ∈ ℝ, because the "hole" from the first subfunction, gets closed off by the second subfunction in the piece-wise.
