Use the confidence level and sample data to find a confidence interval for estimating the population u. 11) Test scores: n = 98, x = 81.9, ơ = 7.8; 99 percent A) 80.1 < u < 83.7 B) 79.9 < µ < 83.9 C) 80.6 < µ < 83.2 D) 80.4 < µ < 83.4

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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Use the confidence level and sample data to find a confidence interval for estimating the population u.
11) Test scores: n = 98, x = 81.9, ơ = 7.8; 99 percent
A) 80.1< μ < 83.7
B) 79.9 < µ < 83.9
C) 80.6< μ < 83.2
D) 80.4<μ < 83.4
Transcribed Image Text:Use the confidence level and sample data to find a confidence interval for estimating the population u. 11) Test scores: n = 98, x = 81.9, ơ = 7.8; 99 percent A) 80.1< μ < 83.7 B) 79.9 < µ < 83.9 C) 80.6< μ < 83.2 D) 80.4<μ < 83.4
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