Question: A sample of 4 different calculators is randomly selected from a group containing 10 that are defective and 38 that have no defects. What is

A sample of 4 different calculators is randomly selected from a group containing 10 that are defective and 38 that have no defects. What is the probability that at least one of the calculators is defective?

0.607

0.379

0.100

0.621

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