Mushhhh Mushhhh

21-03-2017
Mathematics

Answered

a store has 30 blue pens, 18 black pens, and 12 red pens in stock. you buy 3 blue pens, 9 black pens, and 3 red pens. Find the probabilty of each event before and after your purchase.

ARandomly choosing a blue pen
BRandomly choosing a black pen
CRandomly choosing a red pen

Verified Answer :

eagerreader eagerreader

21-03-2017

A30/60 3/15
B. 18/60 9/15
C. 12/60 3/15

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lonelyone101 lonelyone101

21-03-2017

B cause there are more black

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