A Variable Is Normally Distributed with a Hypothesized Population Mean

question 24

Multiple Choice

A variable is normally distributed with a hypothesized population mean of 30 and a standard deviation of 6. What is the z-score for a raw score (X) of 40?

• A) z = -1.67
• B) z = 1.67
• C) z = 4.75
• D) z = 45.25

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