SAT scores are normally distributed with μ=500 and σ=100. Let X correspond to a random students SAT score. If P(X> 810) = 0.0001, interpret this as a porportion.  A.) Only about 1 out of 1,000 test takers will score below an 810 on the SAT. B.) Only about 1 out of 1,000 test takers will score above an 810 on the SAT. C.) Only about 1 out of 1,000 SAT tests were selected for our sample. D.) If a sample of 1,000 test takers is taken, exactly one is guaranteed to score above an 810 on the SAT.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.1: Measures Of Center
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SAT scores are normally distributed with μ=500 and σ=100. Let X correspond to a random students SAT score. If P(X> 810) = 0.0001, interpret this as a porportion. 

A.) Only about 1 out of 1,000 test takers will score below an 810 on the SAT.

B.) Only about 1 out of 1,000 test takers will score above an 810 on the SAT.

C.) Only about 1 out of 1,000 SAT tests were selected for our sample.

D.) If a sample of 1,000 test takers is taken, exactly one is guaranteed to score above an 810 on the SAT.

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