Answer to Question #88825 in Statistics and Probability for Amelia

Question

Based on a particular theory of creativity, a psychologist predicts that artists will be greater
risk takers than the general population. The general population is normally distributed with a
mean of 160 and a standard deviation of 40, on the risk-taking questionnaire the psychologist
intends to use. The psychologist expects that artists will obtain a score that is equivalent to a 6-
point effect on the questionnaire. The psychologist intends to study 144 artists. Determine
the power of this study, using a two-tailed test with α = 0.05

Answer 1

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