Question 1075813: A research team conducted a study showing that approximately 20% 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 15 businessmen, all of whom wear ties, what are the following probabilities? (Round your answers to three decimal places.)
Need help with this one
(b) more than two ties are too tight
Answer by addingup(3677)   (Show Source):
You can put this solution on YOUR website! The probability is, the problem tells you, that 20% of the 15 will wear their ties too tight.
15*.2 = your answer -it's 3, you should be able to do 15 x 2 in your head, then move the product you get one decimal because it's .2, so 30 becomes 3.
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