document.write( "Question 1100295: an olympic archer can hut the bullseye an average of 9 times out of 10. The probability of scoring 18 or more bullseyes from 20 shots is? \n" ); document.write( "
Algebra.Com's Answer #715049 by Fombitz(32388)\"\" \"About 
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\"P%28X%29=C%2820%2CX%29%2A%280.9%29%5EX%2A%281-0.9%29%5E%2820-X%29\"
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\n" ); document.write( "\"P=P%2818%29%2BP%2819%29%2BP%2820%29\"
\n" ); document.write( "\"P=0.6769\"
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