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Mathematics 13 Online
OpenStudy (anonymous):

In a batch of 960 calculators 8 were found to be defective. what is the probability that a calculators chosen at random will be defective ?

OpenStudy (goose.):

8/960 were defective, Simplify that.

OpenStudy (jackthegreatest):

8/960

OpenStudy (jackthegreatest):

yeah

OpenStudy (anonymous):

and that would be .08

OpenStudy (goose.):

Both numbers are divisable by 8, so it'll come out to an even 1/120.

OpenStudy (goose.):

Are you sure that's that form they want it in?

OpenStudy (goose.):

I'd keep at as a fraction to be safe.

OpenStudy (anonymous):

yes they would like it in a percented form

OpenStudy (goose.):

Okay then.

OpenStudy (goose.):

I believe it would be 0.85%

OpenStudy (anonymous):

okay thank you very much

OpenStudy (goose.):

Wait no, it is just .8%

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