Scores from a questionnaire measuring social anxiety form a normal distribution with a mean of =
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Scores from a questionnaire measuring social anxiety form a normal distribution with a mean of μ = 50 and a standard deviation of σ = 10. What is the probability of obtaining a sample mean greater than M = 53
a. For a random sample of n = 4 people?
b. For a random sample of n = 16 people?
c. For a random sample of n = 25 people?
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Related Book For 
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9780357365298
10th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano, James E. Witnauer
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