document.write( "Question 747400: according to an estimate, 50% of the people in the united states have at least one credit card. if a random sample of 30 persons is selected, what is the probability that 19 of them has atleast one credit card?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #454895 by reviewermath(1029)![]() ![]() You can put this solution on YOUR website! probability = |