# Question

Under any normal distribution of scores, what percentage of the total area falls.
a. Between the mean (μ) and a score value that lies one standard deviation (1σ) above the mean?
b. Between a score value that lies one standard deviation below the mean and a score value that lies one standard deviation above the mean?
c. Between the mean and a score value that lies +2σ above the mean?
d. Between a score value that lies -2σ below the mean and a score value that lies +2σ above the mean?

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