A Relative Frequency Distribution Is Given Below for the Size

question 78

Multiple Choice

A relative frequency distribution is given below for the size of families in one U.S. city.
$\begin{array} { l c } \text { Size } & \text { Relative frequency } \\\hline 2 & 0.458 \\3 & 0.205 \\4 & 0.199 \\5 & 0.086 \\6 & 0.034 \\7 + & 0.018\end{array}$
A family is selected at random. Find the probability that the size of the family is at most 6. Round approximations to three decimal places.

• A)0.034
• B)0.948
• C)0.052
• D)0.982

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Definitions:

Lusaka, Zambia

The capital city of Zambia, known as a commercial and political center of the country.

Nonsynonymous Mutation

A type of DNA mutation that results in a change in the amino acid sequence of a protein.

Genetic Drift

The process by which allele frequencies in a population change due to chance events, affecting small populations more significantly.

Codon

A sequence of three nucleotides in mRNA that specifies a particular amino acid or termination signal during protein synthesis.