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The grades on a math exam are normally distributed with μ = 45 and σ = 5. Celestine obtained 55 on the exam. Find the z-score that corresponds to Celestine’s score.
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Jul 27, 2023
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The grades on a math exam are normally distributed with μ = 45 and σ = 5. Celestine obtained 55 on the exam. Find the z-score that corresponds to Celestine’s score.
Mathematics
high-school
Rocksteady
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Answer:
2
Explanation:
Use z score formula.
55 is x
plug in u and sd.
Koray Birand
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Aug 1, 2023
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Koray Birand
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