Question: An individual is selected from a normal population with = 100 and = 10 and a treatment is administered to the individual. After

An individual is selected from a normal population with μ = 100 and σ = 10 and a treatment is administered to the individual. After treatment, the individual has a score of X = 125.

What is the probability that individual with a score this high or higher would be obtained if the treatment has no effect?

a. 0.0668

b. 0.0228

c. 0.0062

d. 0.9938

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