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

question 22

Multiple Choice

To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes theamount of nicotine found in all commercial brands of cigarettes. A new cigarette has recently been marketed.The FDA tests on this cigarette gave a mean nicotine content of 28.4 milligrams and standard deviation of 2.6milligrams for a sample of n = 9 cigarettes. The FDA claims that the mean nicotine content exceeds 31.0milligrams for this brand of cigarette, and their stated reliability is 90%. Do you agree?

• A) No, since the value 31.0 does not fall in the 90% confidence interval.
• B) Yes, since the value 31.0 does fall in the 90% confidence interval.
• C) Yes, since the value 31.0 does not fall in the 90% confidence interval.
• D) No, since the value 31.0 does fall in the 90% confidence interval.

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Definitions:

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to AIDS if not treated.

Human Body

The physical substance of a person, including the bones, flesh, and organs.

Mononucleosis

An infectious disease often caused by the Epstein-Barr virus, characterized by fever, sore throat, and swollen lymph glands.

Infected Person

An individual who has been invaded by pathogenic organisms such as bacteria, viruses, or fungi, leading to disease or illness.