Given the Contingency Table Shown Here, Find P(A₂) A)1842
B)

question 118

Multiple Choice

Given the contingency table shown here, find P(A₂) . $$\begin{array} { |c | c | c | c | c | c | } \hline{ } & { A _ { 1 } } & A _ { 2 } & A _ { 3 } & A _ { 4 } & \text { Row Total } \\\hline B _ { 1 } & 12 & 26 & 42 & 68&148 \\\hline B _ { 2 } & 14 & 28 & 44 & 64 &150\\\hline B _ { 3 } & 18 & 32 & 47 & 72 &169\\\hline \text { Col Total } & 44 & 86 & 133 & 204 & 467 \\\hline\end{array}$$

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Definitions:

Sclerenchyma

Cells that provide strength and support in the plant body, are often dead at maturity, and have extremely thick walls; includes fibers and sclereids.

Phloem

The vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves.

Xylem

A type of vascular tissue in plants that transports water and dissolved minerals from the roots to the rest of the plant.

Alpha-Galacturonic Acid

A component of pectin, a polysaccharide found in the cell walls of plants, involved in maintaining cell structure and rigidity.