Given a Normal Distribution with a Mean of 80 and a Standard

question 192

Multiple Choice

Given a normal distribution with a mean of 80 and a standard deviation of 20, an observation of x = 50 corresponds to a standard normal deviate:

• A) of z = +1.5
• B) of z = +3.0
• C) of z = -1.5
• D) of z = -3.0
• E) of none of these

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