The Algebra II students took a test. The mean test score was a 75 and the standard deviation was 6. If 250 students took the test, how many students would you expect to score between 69 and 81? Round to the nearest whole number.
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Step 1
Given: Mean (μ) = 75 Standard Deviation (σ) = 6 Score (x) = 69 Use the formula for z-score: z = (x - μ) / σ Calculate: z = (69 - 75) / 6 = -1 Show more…
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