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Mathematics
Problem
A box contains
8
8
8
good bulbs and
2
2
2
defective bulbs. Two bulbs are selected successively without replacement. What is the probability that the first bulb selected is good and the second bulb is defective? a)
16
45
\dfrac{16}{45}
45
16
b)
8
45
\dfrac{8}{45}
45
8
c)
4
25
\dfrac{4}{25}
25
4
d)
2
9
\dfrac{2}{9}
9
2
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