angel94 angel94

24-07-2017
Mathematics

contestada

Please help! Worth 20 points thanks. #14

Please help Worth 20 points thanks 14 class=

Respuesta :

musiclover10045 musiclover10045

24-07-2017

18 total pencils

4 blue so he has a 4/18 ( reduced to 2/9 chance of picking a blue one

he needs to do it twice

so 2/9 * 2/9 = 4/81 probability

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