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Mathematics 7 Online
OpenStudy (anonymous):

if a probability distribution is 1/5,1/5,1/2,x,what is the value of x,please help

OpenStudy (anonymous):

They must add up to one. From there, it should be simple enough.

OpenStudy (anonymous):

im an idiot at math...

OpenStudy (anonymous):

Add everything but x together, then subtract it from one.

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