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In a Market Test of a New Chocolate Raspberry Coffee π\pi

question 125

Multiple Choice

In a market test of a new chocolate raspberry coffee, a poll of 400 people (sample 1) from Dobbs Ferry showed 250 preferred the new coffee. In Irvington, 170 (sample 2) out of 350 people preferred the new coffee. To test the hypothesis that a higher proportion of people in Dobbs Ferry prefer the new coffee, what is the alternate hypothesis?


Definitions:

Cell-free Fetal DNA

Fragments of the fetus's DNA that circulate in the maternal blood, used in non-invasive prenatal testing to assess the risk of certain genetic disorders without risking miscarriage.

Noninvasive Prenatal Testing

A method of determining the risk of a fetus having certain genetic abnormalities using a blood sample from the mother.

Procedure

A specified series of actions or operations which have to be executed in the same manner in order to achieve a desired result.

Spina Bifida

A neural tube defect that occurs when the spine and spinal cord don't form properly, leading to varying degrees of disability.

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