document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78479>Question 78479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The weather news says there is a 30% chance of rain this weekend. Make an area to represent all possibilities. Find the probability that it will rain.<BR>\n" );
document.write( "a. No days<BR>\n" );
document.write( "b. One day<BR>\n" );
document.write( "c. Two days </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #56280 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=56280\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The weather news says there is a 30% chance of rain this weekend. Make an area to represent all possibilities. Find the probability that it will rain.<BR>\n" );
document.write( "The weekend is two days.<BR>\n" );
document.write( "P(rain)=0.3<BR>\n" );
document.write( "P(no rain)=0.7<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "a. P(No days)=0.7^2 = 0.49<BR>\n" );
document.write( "b. P(One day)=2C1(0.3)(0.7) = 2(0.21)=0.42<BR>\n" );
document.write( "c. P(Two days)=0.3^2=0.09<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );