Math, asked by nargissaifi9132, 11 months ago

A box has 100 pens of which 10 are defective probability pen is non defective

Answers

Answered by pragya5347
4

No. of non defective pens =100-10

=90

probability of pen non defective

=No. of pens non defective

______________________

total No. of pens

=90/100

=9/10

hope it helps you ☺☺

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