document.write( "Question 463255: shirley is the best free throw shooter for fchs. she hits her free throws 81% of the time. find probability in a game, she makes her first free throw on her a) third try? b) on her 2nd or 4th try? \n" ); document.write( "
Algebra.Com's Answer #317436 by edjones(8007)\"\" \"About 
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p=.81, q=.19
\n" ); document.write( "a).19^2*.81=.029
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\n" ); document.write( "b).19*.81 + .19^3*.81
\n" ); document.write( "=.154+.006
\n" ); document.write( "=.16
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