An individual is selected from a normal population with a mean of m 5 80 with s

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An individual is selected from a normal population with a mean of m 5 80 with s 5 20, and a treatment is administered to the individual. After treatment, the individual’s score is found to be X 5105.

How likely is it that a score this large (or larger) would be obtained if the treatment has no effect?

a. p 5 0.1056

b. p 5 0.3944

c. p 5 0.8944

d. p 5 1.2500

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781337098120

9th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano

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