document.write( "Question 359460: Data shows that 90% of the people in a certain population are right-handed. A group of 8 people from this population are selected at random. What is the probability that exactly 6 of the people in the group are right-handed? and What is the probability that at least 6 of the people in the group are right-handed? \n" ); document.write( "
Algebra.Com's Answer #256620 by Fombitz(32388)\"\" \"About 
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\"P%28R%29=0.90\"
\n" ); document.write( "The assumption is that the choice is binary, right handed or left handed.
\n" ); document.write( "\"P%28L%29=0.10\"
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\n" ); document.write( "\"P%286R%29=28%2A%280.9%29%5E6%2A%280.1%29%5E2=highlight%280.1488%29\"
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\n" ); document.write( "At least 6 means 6,7, and 8.
\n" ); document.write( "\"P%287R%29=8%2A%280.9%29%5E7%2A%280.1%29%5E1=0.3826\"
\n" ); document.write( "\"P%288R%29=1%2A%280.9%29%5E8%2A%280.1%29%5E0=0.4305\"
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\n" ); document.write( "\"P=P%286R%29%2BP%287R%29%2BP%288R%29=0.1488%2B0.3826%2B0.4305\"
\n" ); document.write( "\"highlight%28P=0.9619%29\"
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