document.write( "Question 1140271: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 30% of this population prefers the color red. If 18 buyers are randomly selected, what is the probability that at least 1 buyer would prefer red? Round your answer to four decimal places. \n" ); document.write( "
Algebra.Com's Answer #760749 by ikleyn(52847)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "The complement probability is that NO ONE buyer of 18 would prefer the red color, and it is  \"%281-0.3%29%5E18\" = \"0.7%5E18\" = 0.001628.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Hence, the probability under the question is  1 - 0.001628 = 0.9984 = 99.84%.\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );