Mathematics, 28.12.2019 03:31 alexiasvizcaino
Aself proclaimed psychic was tested for esp. the psychic was presented with 200 cards face down and asked to determine if the card was one of five symbols: a star, cross, circle, square, or three wavy lines. the psychic was correct in 46 cases. let p represent the probability that the psychic correctly identifies the symbol on the card in a random trial. based on the results of the test, find a 95% confidence interval for p. (assume the 200 trials can be treated as an srs from the population of all guesses the psychic would make in her lifetime). what can you conclude about her psychic powers?
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