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Name: It the 1980s, it was generally believed that congenital abnormalities
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Description: It the 1980s, it was generally believed that congenital abnormalities affected about 6% of a large nation's children. Some people believe that the increase in the number of chemicals in the environment has led to an increase in the incidence of ab

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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It the 1980s, it was generally believed that congenital abnormalities affected about 6% of a large nation's children. Some people believe that the increase in the number of chemicals in the environment has led to an increase in the incidence of abnormalities. A recent study examined 414 randomly selected children and found that 28of them showed signs of an abnormality. Is this strong evidence that the risk has increased? (Consider a P-value of around0.05to represent reasonable evidence.)

What is the test statistic?

What is the P-value?

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