document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=386085>Question 386085</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average monthly gasoline purchase for a family with 2 cars is 85 gallons. This statistic has a normal distribution with a standard deviation of 12 gallons. A family with 2 cars is chosen at random. \r<BR>\n" );
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document.write( "(a) Find the probability that the family’s monthly gasoline purchases will be between 80 and 90 gallons. \r<BR>\n" );
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document.write( "(b) Find the probability that the family’s monthly gasoline purchases will be less than 75 gallons. \r<BR>\n" );
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document.write( "(c) Find the probability that the family’s monthly gasoline purchases will be more than 90 gallons </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #272987 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=272987\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The average monthly gasoline purchase for a family with 2 cars is 85 gallons. This statistic has a normal distribution with a standard deviation of 12 gallons. <BR>\n" );
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document.write( "A family with 2 cars is chosen at random. <BR>\n" );
document.write( "(a) Find the probability that the family’s monthly gasoline purchases will be between 80 and 90 gallons.<BR>\n" );
document.write( "P(80 < x < 90) = 0.3231<BR>\n" );
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document.write( "(b) Find the probability that the family’s monthly gasoline purchases will be less than 75 gallons. = 0.2023<BR>\n" );
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document.write( "(c) Find the probability that the family’s monthly gasoline purchases will be more than 90 gallons = 0.3385<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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