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Old 07-27-2007   #1
Justin T
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Default probability?

A light bulb manufacturer produces bulbs in batches of 50, and it is known from past experience that 5 of each batch will be defective If two bulbs are selected without replacement from a batch, what is the probability that both will be defective?(0.00816)Please show me how to do and the answer given is 0.00816.Thanks