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Mathematics, 03.09.2020 21:01, isabel81ie
It takes you 54 seconds to walk from the first ground floor of a building to the third floor. How long will it take to you to walk from the first floor to the sixth floor
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Answers: 2
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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. a subject 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 are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
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It takes you 54 seconds to walk from the first ground floor of a building to the third floor. How lo...
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