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3 years ago

15

In a class, there are 18 girls and 14 boys. If the teacher selects two students at random to attend a party with the principal,

what is the probability that the two students are the same sex?

1 answer:

Alexandra [31]3 years ago

4 0

Answer:

0.492 is the answer

Step-by-step explanation:

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2 years ago

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lorasvet [3.4K]

<h3>Given ↓</h3>

Two points that a line goes through

<h3>To Find ↓</h3>

The line's slope

<h3>Calculations ↓</h3>

When we have two points that a line passes through and asked to determine the slope of the line, the slope formula is going to come in handy.

This is the formula :

$\boxed{\\\begin{minipage}{3cm}slope~formula~: \\ $\displaystyle\frac{y2-y1}{x2-x1}$ \\ \end{minipage}}$

y2 and y1 are y-coordinates, and x2 and x1 are x coordinates

Plug in the values :

$\boxed{\\\begin{minipage}{3cm}$\displaystyle\frac{0-(-7)}{7-0} $\end{minipage}}$

$\boxed{\\\begin{minipage}{3cm}$\displaystyle\frac{0+7}{7} \end{minipage}}$

Which simplifies to $^7/_7$ , or 1

<h3>Slope ↓</h3>

1 (Option D.)

hope helpful ~

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