document.write( "Question 520516: What is the probability that at least one out of 40 students in a class will have a birthday in march? \n" ); document.write( "
Algebra.Com's Answer #346153 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What is the probability that at least one out of 40 students in a class will have a birthday in march? \n" ); document.write( "-------------------------- \n" ); document.write( "Binomial Problem with n = 40 and p = 1/12 \n" ); document.write( "----- \n" ); document.write( "P(1<= x <=40) = 1 - P(x = 0) \n" ); document.write( "= 1- (11/12)^40 \n" ); document.write( "= 1 - 0.0308 \n" ); document.write( "= 0.9692 \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |