For the Distribution in the Following Table, What Is the 90^th

question 46

Multiple Choice

For the distribution in the following table, what is the 90^th percentile? $\begin{array}{cr}\mathrm{X} & \mathrm{c} \% \\\hline 30-34 & 100 \% \\25-29 & 90 \% \\20-24 & 60 \% \\15-19 & 20 \%\end{array}$

• A) \( X=24.5 \)
• B) \( X=25 \)
• C) \( X=29 \)
• D) \( X=29.5 \)

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Definitions:

Polynucleotide Chain

A sequence of nucleotides that form a part of a nucleic acid molecule, such as DNA or RNA, linked by covalent bonds.

Sugar

A sweet-tasting, soluble carbohydrate found in many plants, crucial for energy in living organisms.

Phosphate

A chemical compound containing the phosphate ion, PO4^3-, which plays a critical role in biological systems, including energy transfer and the structure of DNA and RNA.

Backbone

The series of vertebrae extending from the skull to the tail in vertebrate animals, providing support and protecting the spinal cord.