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In a test for ESP (extrasensory perception), a subject is told that cards only the...

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In a test for ESP (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. As the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. Asubject who is just guessing has probability 0.25 of guessing correctly on each card.(a) The count of correct guesses in 20 cards has a binomial distribution. What is the value of n? (Enter your answer as a whole number.)n=What is the value of p? (Enter your answer rounded to two decimal places.)P=

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