Thursday
September 18, 2014

Homework Help: math

Posted by Jane on Thursday, April 8, 2010 at 12:44pm.

is this correct?

1.a jar contains 5 white, 15 violet,and 21 blue marbles. a marble is drawn at random. P(violet or white)

answer: 5x15x21= 1575
15x5=75
75/1575= 1/21


2. a number from 10 to 16 is drawn at random. P(a number greater than 14)

answer: 2/7

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