document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946898>Question 946898</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mean gas mileage for a hybrid car is 57 miles per gallon. Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.5 miles per gallon. <BR>\n" );
document.write( "A. What is the probability that a randomly selected hybrid gets more that 61 miles per gallon? 0.127<BR>\n" );
document.write( "B. What is the probability that a randomly selected hybrid gets 52 miles per gallon or less?<BR>\n" );
document.write( "C. What is the probability that a randomly selected hybrid gets between 58 and 61 miles per gallon?  0.261<BR>\n" );
document.write( "D. What is the probability that a randomly selected hybrid gets less than 45 miles per gallon? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #577677 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=577677\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the z score for each scenario, then use the normal distribution function.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=%28x-mu%29%2Fsigma=%28x-57%29%2F3.5 ALIGN=MIDDLE  ALT=\"z=%28x-mu%29%2Fsigma=%28x-57%29%2F3.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=%2861-57%29%2F3.5=1.143 ALIGN=MIDDLE  ALT=\"z=%2861-57%29%2F3.5=1.143\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.8735 ALIGN=MIDDLE  ALT=\"0.8735\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so then it's <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1-0.8735=0.127 ALIGN=MIDDLE  ALT=\"1-0.8735=0.127\"   DISABLED_style= \"max-width:90%; height:auto;\" > for greater than 61.<BR>\n" );
document.write( "b) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=%2852-57%29%2F3.5=-1.429 ALIGN=MIDDLE  ALT=\"z=%2852-57%29%2F3.5=-1.429\"   DISABLED_style= \"max-width:90%; height:auto;\" > so then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=0.0766 ALIGN=MIDDLE  ALT=\"P=0.0766\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B1%5D=%2858-57%29%2F3.5=0.286 ALIGN=MIDDLE  ALT=\"z%5B1%5D=%2858-57%29%2F3.5=0.286\"   DISABLED_style= \"max-width:90%; height:auto;\" > and  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B2%5D=%2861-57%29%2F3.5=1.143 ALIGN=MIDDLE  ALT=\"z%5B2%5D=%2861-57%29%2F3.5=1.143\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=.873451-.612452=0.261 ALIGN=MIDDLE  ALT=\"P=.873451-.612452=0.261\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=%2845-57%29%2F3.5=-3.429 ALIGN=MIDDLE  ALT=\"z=%2845-57%29%2F3.5=-3.429\"   DISABLED_style= \"max-width:90%; height:auto;\" > so then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=0.0003 ALIGN=MIDDLE  ALT=\"P=0.0003\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );