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For a normal-shaped distribution with μ = 50 and σ = 8:

a. What proportion of the scores has values between 46 and 54?

b. For samples of n = 4, what proportion of the sample mean have values between 46 and 54?

c. For samples of n = 16, what proportion of the sample mean have values between 46 and 54?

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Applied Statistics, Statistics

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