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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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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.

User Rocksteady
by
8.2k points

1 Answer

4 votes

Answer:

2

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
User Koray Birand
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8.3k points
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