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Mathematics, 12.11.2020 01:00 starfox5454
A sample of 4 different calculators is randomly selected (without replacement) from a group containing 47 that are defective and 30 that have no defects. What is the probability that all four of the calculators selected are defective?
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A sample of 4 different calculators is randomly selected (without replacement) from a group containi...
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