2. A national vital statistics report indicated that 3% of all births produced twins. Researchers are curious about the proportion of twin births among teenage mothers. A large hospital reported a sample of 469 births from teenage mothers found 7 sets of twins. Is the proportion of twin births among teenage mothers different from the overall figure? Use a 10% significance level.

2. A national vital statistics report indicated that 3% of all births produced twins. Researchers are curious about the proportion of twin births among teenage mothers. A large hospital reported a sample of 469 births from teenage mothers found 7 sets of twins. Is the proportion of twin births among teenage mothers different from the overall figure? Use a 10% significance level.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 3E

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