Equal probability of being chosen

Reference no: EM13122480

Question about Working with conditional probability.

There are 12 light bulbs, 5 of which are defective. All bulbs look alike and have an equal probability of being chosen. Three light bulbs are selected and placed on the table.

Find the probability that:

a) all three are defective.

b) two are defective

c) That none are defective

Reference no: EM13122480

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