Mathematics, 22.09.2019 19:30 danielanderson12
Aresearch team conducted a study showing that approximately 25% of all businessmen who wear ties wear them so tightly that they actually reduce blood flow to the brain, diminishing cerebral functions. at a board meeting of 20 business men, all of whom wear ties, what are the following probabilities?
-at least one is too tight
-more than two ties are too tight
-no tie is too tight
-at least 18 ties are not too tight
Answers: 3
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Aresearch team conducted a study showing that approximately 25% of all businessmen who wear ties wea...
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