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OpenStudy (anonymous):
in a batch of 890 calculators, 12 were found to be defective. what is the probability that a calculator chosen at random will be percent. round to the nearest tenth of a percent if necessary.
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OpenStudy (amistre64):
you might want to read your question again ....
OpenStudy (anonymous):
this one of my test question :(
OpenStudy (amistre64):
the question is meaningless as is ...
OpenStudy (anonymous):
a. 1.8% b. 1.3% c. 98.7% d. 74%
OpenStudy (anonymous):
defective=12/890=0.01348 ,0.0134*100=1.348 =1.3%
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