document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=76132>Question 76132</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 300 pennies are tossed into the air. Determine the probability of:\r<BR>\n" );
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document.write( "1) P(125 is less than or = X less than or = 170 tails)\r<BR>\n" );
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document.write( "2) If your co worker is willing to wager 10.00 on this, should I take the wager and why? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54670 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=54670\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 300 pennies are tossed into the air. Determine the probability of:\r<BR>\n" );
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document.write( "1) P(125 is less than or = X less than or = 170 tails)<BR>\n" );
document.write( "z(125)=(125-300*(1/2))/sqrt(300(1/2)(1/2))= -2.88675<BR>\n" );
document.write( "z(170)=(170-150)/sqrt(300*(1/4))=2.3094<BR>\n" );
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document.write( "P(125<=x<=170)=P(-2.88675<=z<=2.3094)=0.98759<BR>\n" );
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document.write( "2) If your co worker is willing to wager 10.00 on this, should I take the wager and why?<BR>\n" );
document.write( "No, because the probability it will happen is almost 99%<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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