SOLUTION: In a test of ESP, the experimenter looks at cards that are hidden from a subject. Each card contains one of four shapes; either a star, a circle, a wave and a square. As the experi

Question 437311: In a test of ESP, the experimenter looks at cards that are hidden from a subject. Each card contains one of four shapes; either a star, a circle, a wave and a square. As the experimenter looks at each of 15 cards in turn, the subject names the shape on the card. Assume the cards are independent. What is the probability that a subject guesses all 15 cards correctly?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
The probability that he gets all 15 cards correctly is (1/4)^15 which equals 1/1073741824..
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