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On a multiple choice test there are 5 possible answers per question. If there are 35 questions and you guess randomly each time what is the probaility of you getting every question correct?

 Jan 10, 2016

Best Answer 

 #3
avatar+1316 
+5

You have a 0.2 probability 35 times in a row.

 

\( 0.2^{35} = 3.436*10^{-25}\)

 

This is almost zero.

Not a good way to take a test

 Jan 11, 2016
 #1
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5*35=175

laugh

 Jan 10, 2016
 #2
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0

Not to be mean but i'm 100% sure that that is not right

 Jan 10, 2016
 #3
avatar+1316 
+5
Best Answer

You have a 0.2 probability 35 times in a row.

 

\( 0.2^{35} = 3.436*10^{-25}\)

 

This is almost zero.

Not a good way to take a test

Dragonlance Jan 11, 2016
 #4
avatar+129845 
0

Very nice, Dragonlance.....a BIG 5 points from me.....!!!!!

 

 

cool cool cool

 Jan 11, 2016

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