Statisticshard · Past Paper
A box contains 2 defective bulbs and 8 good ones. Two bulbs are drawn without replacement. Find the probability that both are defective.
A1/45
B2/90
C1/50
D1/25
✓ Correct Answer: A — 1/45
P = (2/10) * (1/9) = 2/90 = 1/45.
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