Lactose Intolerance Affects About 10% of Non-Hispanic White Americans, 50

question 152

Multiple Choice

Lactose intolerance affects about 10% of non-Hispanic white Americans, 50% of Hispanic Americans, and 70% of African, Asian, and Native Americans. Seventy-four percent of U.S. residents are non-Hispanic whites, 10% of them are Hispanic, and 11% are African, Asian, or Native American. If a person is selected from this group of people, what is the probability, to four decimal places, that the person will be lactose intolerant? ​

• A)Pr(lactose intolerant) = 0.1240
• B)Pr(lactose intolerant) = 0.2010
• C)Pr(lactose intolerant) = 0.1270
• D)Pr(lactose intolerant) = 0.1510
• E)Pr(lactose intolerant) = 0.1310

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Definitions:

Ana-

A prefix meaning "up, back, again, anew," used in medical terms.

Sarcoma

A type of cancer that originates in the bones and soft tissues, including fat, muscles, blood vessels, and fibrous tissues.

Carcinoma

A type of cancer that starts in cells that make up the skin or tissue linings of organs.

Glioma

A type of tumor that occurs in the brain and spinal cord, originating from the glial cells.