document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117861>Question 1117861</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this question. I am so confused.<BR>\n" );
document.write( "A boy has 18 coins in his jacket pocket. He has 8 pennies, 3 nickels, 2 <BR>\n" );
document.write( "dimes and 5 quarters. If he reaches his hand into the pocket and grabs six coins:<BR>\n" );
document.write( "a)<BR>\n" );
document.write( "What is the probability of him getting three quarters?<BR>\n" );
document.write( "b)<BR>\n" );
document.write( "Determine the probability distribution for choosing quarters when the next six coins are each selected randomly.<BR>\n" );
document.write( "Assume coin is put back in his pocket after each trial.<BR>\n" );
document.write( "(Hint: Make a table for each trial)<BR>\n" );
document.write( "c)<BR>\n" );
document.write( "Calculate the probability of obtaining fewer than two quarters when the next six <BR>\n" );
document.write( "coins are selected. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733135 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=733135\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> He has a total of 18 coins. Of these, 5 are quarters. The probability of him choosing 3 quarters is:<BR>\n" );
document.write( "Total coins: 18<BR>\n" );
document.write( "Total quarters: 5<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<BR>\n" );
document.write( "First draw: P(q) = 5/18<BR>\n" );
document.write( "Second draw: P(q) = 4/17<BR>\n" );
document.write( "Third draw: P(q) = 3/16<BR>\n" );
document.write( "Multiply: 5/18*4/17*3/16 = 0.01225 = 1.225%<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );