document.write( "Question 724909: Suppose that only 65% of all drivers in a certain state wear a seat belt. A random sample of 80 drivers is selected. What is the probability that more than forty-two drivers wear a seat belt? \n" ); document.write( "
Algebra.Com's Answer #444058 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Suppose that only 65% of all drivers in a certain state wear a seat belt. A random sample of 80 drivers is selected. What is the probability that more than forty-two drivers wear a seat belt? \n" ); document.write( "---------------------- \n" ); document.write( "Binomial Problem with n = 80 and p(wear) = 0.65 \n" ); document.write( "--- \n" ); document.write( "P(43<= x <=80) = 1 - binomcdf(80,0.65,42) = 0.9858 \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |