Random selection of batteries
Question: A bag contains a total of 20 batteries, of which six are defective. Selecting two at random, without replacement, determine the probability that none of the batteries you select are good.a) 3/5
b) 3/10
c) 3/38
d) 9/100
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For safety, medical equipment connected to patients is often powered by an isolation transformer, whose primary is connected to 120-V AC power and whose secondary delivers 120-V power.
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A bag contains a total of 20 batteries, of which six are defective. Selecting two at random, without replacement, determine the probability that none of the batteries you select are good.
Fixed overhead costs per month are: Supervision $4,000, Depreciation $1,200, and Property Taxes $800. The company believes it will normally operate in a range of 7,000-10,000 direct labor hours per month.
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Assume a corporation has earnings before depreciation and taxes of $117,000 depreciation of $45,000 and is in a 35 percent tax bracket.
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