BabyJah20 BabyJah20

23-04-2018
Mathematics

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A test consists of 490 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers? Round the answer to the nearest hundredth.

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TrippieReddd TrippieReddd

23-04-2018

I believe the answer is 1.

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