3 years ago

What does collinear mean

Mathematics

2 answers:

dsp733 years ago

7 0

Direct,even.level.<span> lying in the same straight line.</span>

storchak [24]3 years ago

5 0

Lying in the same straight line i think..

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Answer:

$Pr = \frac{1}{870}$

Step-by-step explanation:

Given

$n =30$

Required

Probability of selecting 2 toys of different types

From the question, we understand that all toys are different i.e. 1 of each type.

And the selection is without replacement;

So, after the first toy is selected; there are n - 1 toys left.

So, the probability is:

$Pr = \frac{1}{n} * \frac{1}{n - 1}$

Substitute $n =30$

$Pr = \frac{1}{30} * \frac{1}{30- 1}$

$Pr = \frac{1}{30} * \frac{1}{29}$

$Pr = \frac{1}{30*29}$

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$\bf \stackrel{\textit{slope-intercept form}}{y=mx+b}~~
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\\\\\\
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