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A class has 12 males and 15 females. There's 7 males and 9 females in class who plays tennis. If a student is chosen from the class at random, find the probability of that student is;

A) a female who doesn't play tennis

B) a male tennis player.

Respuesta :

Since3122015
First, let's make a two-way table using a matrix:

[tex] \left[\begin{array}{cccc}&Tennis&No&Total\\Male&7&5&12\\Female&9&6&15\\Total&16&11&27\end{array}\right] [/tex]

A. [tex]\frac{6}{27}\\\frac{2}{9}[/tex]

B. [tex]\frac{7}{27}[/tex]

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