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A College Admissions Officer Takes a Simple Random Sample of 80

Question 12
Multiple Choice
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Multiple Choice

A college admissions officer takes a simple random sample of 80 entering freshmen and computes their mean mathematics SAT score to be 469 . Assume the population standard deviation is σ=95\sigma = 95 . Construct a 90%90 \% confidence interval for the mean mathematics SAT score for the enterin! freshmen class.

A) (374,564)( 374,564 )
B) (467,471)( 467,471 )
C) (452,486)( 452,486 )
D) (455,483)( 455,483 )

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