A Researcher Has Participants Choose Between Three Advertisements

question 26

Multiple Choice

A researcher has participants choose between three advertisements.She finds that 54 prefer Ad A,86 prefer Ad B,and 60 prefer Ad C. The probability or proportion of participants preferring Ad B is ______.

• A) .86
• B) .60
• C) .43
• D) 86

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Definitions:

Methyl Groups

Chemical groups consisting of one carbon atom bonded to three hydrogen atoms (-CH3), often involved in modifying DNA and proteins to regulate gene expression and protein function.

DNA Synthesis

The natural or artificial creation of deoxyribonucleic acid molecules, which is crucial for replication, repair, and recombination of genetic material in organisms.

Inducible Operon

A cluster of genes in bacteria that is turned on (or induced) in response to the presence of a specific substrate, allowing the bacteria to adapt to environmental changes.

Repressible Operon

A regulatory mechanism in genetics where the presence of a certain substance inhibits gene transcription, typically found in prokaryotic organisms.