A student wants to survey the sophomore class of 200 students about whether the school should require uniforms. A random sample of 50 sophomores is surveyed and asked whether they support the school adopting uniforms. Of the 50 sophomores, 12 say they would favor school uniforms. Assuming the conditions for inference have been met, what is the 90% confidence interval for the true proportion of sophomores who favor the adoption of uniforms? 0.24 plus-or-minus 1.96 StartRoot StartFraction 0.24 (1 minus 0.24) Over 200 EndFraction EndRoot 0.76 plus-or-minus 1.96 StartRoot StartFraction 0.76 (1 minus 0.24) Over 200 EndFraction EndRoot 0.24 plus-or-minus 1.65 StartRoot StartFraction 0.24 (1 minus 0.24) Over 50 EndFraction EndRoot 0.76 plus-or-minus 1.95 StartRoot StartFraction 0.76 (1 minus 0.76) Over 50 EndFraction EndRoot
A student wants to survey the sophomore class of 200 students about whether the school should require uniforms. A random sample of 50 sophomores is surveyed and asked whether they support the school adopting uniforms. Of the 50 sophomores, 12 say they would favor school uniforms. Assuming the conditions for inference have been met, what is the 90% confidence interval for the true proportion of sophomores who favor the adoption of uniforms? 0.24 plus-or-minus 1.96 StartRoot StartFraction 0.24 (1 minus 0.24) Over 200 EndFraction EndRoot 0.76 plus-or-minus 1.96 StartRoot StartFraction 0.76 (1 minus 0.24) Over 200 EndFraction EndRoot 0.24 plus-or-minus 1.65 StartRoot StartFraction 0.24 (1 minus 0.24) Over 50 EndFraction EndRoot 0.76 plus-or-minus 1.95 StartRoot StartFraction 0.76 (1 minus 0.76) Over 50 EndFraction EndRoot
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
Related questions
Question
A student wants to survey the sophomore class of 200 students about whether the school should require uniforms. A random sample of 50 sophomores is surveyed and asked whether they support the school adopting uniforms. Of the 50 sophomores, 12 say they would favor school uniforms. Assuming the conditions for inference have been met, what is the 90% confidence interval for the true proportion of sophomores who favor the adoption of uniforms?
0.24 plus-or-minus 1.96 StartRoot StartFraction 0.24 (1 minus 0.24) Over 200 EndFraction EndRoot
0.76 plus-or-minus 1.96 StartRoot StartFraction 0.76 (1 minus 0.24) Over 200 EndFraction EndRoot
0.24 plus-or-minus 1.65 StartRoot StartFraction 0.24 (1 minus 0.24) Over 50 EndFraction EndRoot
0.76 plus-or-minus 1.95 StartRoot StartFraction 0.76 (1 minus 0.76) Over 50 EndFraction EndRoot
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