To Help Consumers Assess the Risks They Are Taking, the Food

question 17

Short Answer

To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands of cigarettes. A new cigarette has recently been marketed. The FDA tests on this cigarette yielded mean nicotine content of 28.4 milligrams and standard deviation of 2.2 milligrams for a sample of n = 9 cigarettes. Construct a 98% confidence interval for the mean nicotine content of this brand of cigarette. A) $28.4 \pm 2.124$

B) $28.4 \pm 2.069$

C) $28.4 \pm 2.253$

D) $28.4 \pm 2.194$

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Definitions:

Great Migration

The movement of over six million African Americans from the rural South to urban areas in the North and West of the United States between 1916 and 1970, seeking better economic opportunities and escaping racial segregation.

Black Participation

Refers to the involvement or engagement of Black individuals or communities in various societal, political, or economic activities.

First World War

A global conflict that took place from 1914 to 1918, primarily in Europe, involving many of the world's great powers.

Great Migration

The movement of over six million African Americans from the rural Southern United States to the urban Northeast, Midwest, and West from about 1916 to 1970, seeking better economic opportunities and escaping racial discrimination.