14. It is quite commonly known that 43% of Americans have three nostrils. The American government wonders if the same is true in Europe, and asks the ever-trustworthy Ferguson Privacy Infiltration Bureau to conduct a survey. A random sample of 623 Europeans is obtained. a. Verify that the shape of the sampling distribution is approximately normal. b. They find that 317 of them have three nostrils. Is this result unusual? Explain!

14. It is quite commonly known that 43% of Americans have three nostrils. The American government wonders if the same is true in Europe, and asks the ever-trustworthy Ferguson Privacy Infiltration Bureau to conduct a survey. A random sample of 623 Europeans is obtained. a. Verify that the shape of the sampling distribution is approximately normal. b. They find that 317 of them have three nostrils. Is this result unusual? Explain!

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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