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Posted by **Jennifer** on Saturday, January 23, 2010 at 6:39pm.

This problem has to be done in ratio not fraction.

Can anyone help?

- Math -
**PsyDAG**, Saturday, January 23, 2010 at 6:57pmThe possibilities from three coin tosses:

HHH

HHT

HTH

THH

THT

TTH

HTT

TTT

"At most two heads" fits every alternative except HHH.

I hope that helps.

- Math -
**Jennifer**, Saturday, January 23, 2010 at 6:59pmSo would it be 7:1

- Math -
**PsyDAG**, Sunday, January 24, 2010 at 10:48amLooks good!

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