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Deena has 4 pairs of white socks, 3 pairs of black socks, 1 pair of red socks, and 2 pairs of navy socks in her sock drawer.  Each pair of socks is folded together. If she pulls a pair of socks out of her drawer in the morning without looking, what is the probability that she will choose a pair of white socks?

 Jan 29, 2020
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Hi there...


Here is how it lays out.

Statistics...: 

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Pairs of White socks = 4 

Pairs of Black socks = 3 

Pairs of Navy socks = 2 

Pairs of Red socks = 1 

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Total pairs of socks = 10 

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Grabing one pair of socks out of the drawer equals a 1 in 10 choice, or a 10% choice.

But there's a 1 in 10, or 10%, chance that the one she picks will be Red.
Or  there's a 2 in 10, or 20%, chance that the one she picks will be Navy.
Or  there's a 3 in 10, or 30%, chance that the one she picks will be Black.

In turn there's a "X" in 10, or X%, chance that the one she picks will be White.

 

I hope that helped...

 


Kind regards
BizzyX


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 Jan 29, 2020

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