Problem related to researches experiment

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Reference no: EM131564723

Queetion: A researches experiment with 50 subjects, a 95% prediction interval would have a width of 4 units,. If the researcher wishes to run a more precise experiment that will result in a 95% prediction interval with a width of 2 units then the researcher will require how many subjects?

Reference no: EM131564723

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Problem related to researches experiment : A researches experiment with 50 subjects, a 95% prediction interval would have a width of 4 units,. If the researcher wishes to run a more precise experiment.
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