The Normal Distribution

AP Statistics· difficulty 4/5

SAT scores have approximately N(1050, 200). A college accepts only the top 16%.

SAT N(1050, 200) 1050 ? top 16%

Approximately what minimum score is required?

  • A

    1100

  • B

    850

  • C

    1250

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  • D

    1450

Explanation

The top 16% lies above μ + σ (since about 84% lie below μ + σ). 1050 + 200 = 1250.

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