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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asked Jul 27, 2023 118k views

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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 asked

by Rocksteady

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1 Answer

4 votes

Answer:

Explanation:

Use z score formula.

55 is x

plug in u and sd.

The grades on a math exam are normally distributed with μ = 45 and σ = 5. Celestine-example-1

Koray Birand answered Aug 1, 2023

by Koray Birand

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