Question

A journalist wanted to learn the views of the chief executive officers of the 500 largest U.S. corporations on program trading of stocks. In the time available, it was possible to contact only a random sample of 81 of these chief executive officers. If 55% of all the population members believe that program trading should be banned, what is the probability that less than half the sample members hold this view?


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  • CreatedJuly 07, 2015
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