On an exam with σ = 6,Tom's score of X = 54 corresponds to z = -1.00.The mean for the exam must be µ = 60.

Name: On an exam with σ = 6,Tom's score of X = 54 corresponds to z = -1.00.The mean for the exam must be µ = 60.
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Quizplus · Accepted Answer

The formula for calculating a z-score is z = (X - µ) / σ, where X is the score, µ is the mean, and σ is the standard deviation. Plugging in the given values: -1 = (54 - µ) / 6. Solving for µ gives µ = 60.

On an Exam with σ = 6,Tom's Score of X