1990 AIME Problems/Problem 9

Revision as of 00:29, 2 March 2007 by Minsoens (talk | contribs)

Problem

A fair coin is to be tossed $10_{}^{}$ times. Let $i/j^{}_{}$, in lowest terms, be the probability that heads never occur on consecutive tosses. Find $i+j_{}^{}$.

Solution

This problem needs a solution. If you have a solution for it, please help us out by adding it.

See also

1990 AIME (ProblemsAnswer KeyResources)
Preceded by
Problem 8
Followed by
Problem 10
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
All AIME Problems and Solutions