The SAT mathmateics test (SAT-M) Scores are believed to be normally distributed with a mean. The scores of a random sample of three students who recently took the exam are 550, 620, and 480. A 95% confidence interval for the mean based on these data is a) (444.99, 655.01) b) (376.11, 723.89) c) (148.89, 951.11) d) (421.42, 678.58) e) (408, 692)
The SAT mathmateics test (SAT-M) Scores are believed to be normally distributed with a mean. The scores of a random sample of three students who recently took the exam are 550, 620, and 480. A 95% confidence interval for the mean based on these data is a) (444.99, 655.01) b) (376.11, 723.89) c) (148.89, 951.11) d) (421.42, 678.58) e) (408, 692)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The SAT mathmateics test (SAT-M) Scores are believed to be
a) (444.99, 655.01)
b) (376.11, 723.89)
c) (148.89, 951.11)
d) (421.42, 678.58)
e) (408, 692)
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