Answer: Choice A) 0.8
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Work Shown:
mean = mu = 7.6
standard deviation = sigma = 3.1
x = 10 is the raw score
Use those values to find the z score
z = (x-mu)/sigma
z = (10-7.6)/3.1
z = 2.4/3.1
z = 0.7741935483871
z = 0.8 (approximate answer to the nearest tenth, ie one decimal place)
