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In a sample of 27 hand-held calculators, 19 are known to be nonfunctional. If 9 of these calculators are selected at random, what is the

  1. In a sample of 27 hand-held calculators, 19 are known to be nonfunctional. If 9 of these calculators are selected at random, what is the probability that exactly 7 in the selection are nonfunctional? Round to the nearest thousandth.

A.

0.301

B.

0.474

C.

0.778

D.

0.704

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