An article published in the Washington Post claims that 45 percent of all Americans have brown eyes. A random sample of ?=78 college students found 30 who had brown eyes. Consider testing ?0:?=.45 ??:?≠.45 (a) The test statistic is ? = (b) P-value =
An article published in the Washington Post claims that 45 percent of all Americans have brown eyes. A random sample of ?=78 college students found 30 who had brown eyes. Consider testing ?0:?=.45 ??:?≠.45 (a) The test statistic is ? = (b) P-value =
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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Question
An article published in the Washington Post claims that 45 percent of all Americans have brown eyes. A random sample of ?=78 college students found 30 who had brown eyes.
Consider testing
?0:?=.45
??:?≠.45
??:?≠.45
(a) The test statistic is ? =
(b) P-value =
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