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22-02-2024
Mathematics

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A sample of 4 different calculators is randomly selected from a group containing 19 that are defective and 30 that are without defects. What is the probability that at least one of the calculators selected is defective? Round your answer to three decimal places as needed.

A) 0.654
B) 0.698
C) 0.743
D) 0.789

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