nergy In a science fair project Emily conducted an experiment in which she tested professional...
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nergy In a science fair project Emily conducted an experiment in which she tested professional touch therapists to see if they could sense net select either her right hand or her left hand and then she asked the therapists to identify the selected hand by placing their hand just under Emily s hand without seeing it a without touching it Among 284 trials the touch therapists were correct 137 times Complete parts a through d a Given that Emily used a coin toss to select either her right hand or her left hand what proportion of correct responses would be expected if the touch therapists made random guesses 0 5 Type an integer or a decimal Do not round b Using Emily s sample results what is the best point estimate of the therapists success rate 0 482 Round to three decimal places as needed c Using Emily s sample results construct a 90 confidence intervalestimate of the proportion of correct responses made by touch therapists p Round to three decimal places as needed
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