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January 30, 2015

January 30, 2015

Posted by **Sally** on Tuesday, December 6, 2011 at 6:01pm.

2) Lesley claims she can roll triples with three dice in fewer than 20 rolls.

a)what is the expected number of rolls that it would take to roll the first set of triples?

b)what is the probability that she will roll the triples in fewer than five rolls?

Thanks for your help!

- Math - Data please help! -
**Anonymous**, Thursday, April 26, 2012 at 6:27pm1. p=0.0001

q=0.9999

P(x)=0.9999/0.0001

- Math - Data please help! -
**mathman**, Thursday, April 26, 2012 at 6:27pm1. p=0.0001

q=0.9999

P(x)=0.9999/0.0001

=9999

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