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Two people are having a contest. They flip a coin 100,000 times (real winners!). One gets 55,000 heads. The other one gets 45,000 heads. Express the chance error as a perctage of the number of tosses in both cases. Choose one. 50% 55% 45% 5% 1%

You may use the calculator above and this area as scratch paper. To see the solution just click on the button.

Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998