j1cervetto j1cervetto

01-08-2018
Mathematics

contestada

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. What is the probability of selecting a purple marble and then a white marble?
A.1/7
B.2/9
C.1/14
D.7/36

Respuesta :

2018bbenzenhafe 2018bbenzenhafe

01-08-2018

7/9*2/8= 7/36

your answer is D

Answer Link

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