Posted by **Anonymous** on Monday, October 4, 2010 at 8:29pm.

If you pick a number completely at random from the natural numbers between 1 and 42, find the probability that the number is a multiple of 3.

- probability -
**bobpursley**, Monday, October 4, 2010 at 8:52pm
lets see: 3,6,9,12,15,looks like every third number. So 2/3 of them are not multilples, 1/3 is

Pr= 1/3

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