The Probability That a Person Will Have 0, 1, or 2

question 20

Multiple Choice

The probability that a person will have 0, 1, or 2 dental checkups per year is 0.2, 0.5, and 0.3, respectively. If seven people are picked at random, what is the probability that two will have no
Checkups, four will have one checkup, and one will have two checkups in the next year?

• A) 0.079
• B) 0.013
• C) 0.008
• D) 0.043

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Definitions:

Translational Controls

Regulatory mechanisms controlling the rate and timing of protein synthesis from the mRNA template, affecting gene expression.

mRNA Molecule

A type of RNA that carries genetic information from DNA to the ribosome, where proteins are synthesized.

Protein Product

The final form of a protein after it has been synthesized and processed within a cell.

Inducible Operon

A segment of DNA in which the expression of genes is increased in response to specific environmental stimuli.