You find that you have to add 1 teaspoon of sugar to a cup of coffee that already has 5 teaspoons of sugar in it to notice the difference in sweetness. If you have a cup of coffee with 10 teaspoons of sugar in it, how many teaspoons would you have to add to notice the difference in sweetness at least half the time?

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asked May 17, 2013 in Psychology by anonymous
    

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answered May 18, 2013 by ProAnswers ~Top Expert~ (7,505 points)

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