document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=871714>Question 871714</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The entrance exam scores for police academy applicants is known to be normally distributed with a mean of 85 and a standard deviation of 20.  Which of the following statements is false ?\r<BR>\n" );
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document.write( "Select one:<BR>\n" );
document.write( "a. There is approximately a 70% probability that one randomly selected applicant will be score less than a 75 on the entrance exam.<BR>\n" );
document.write( "b. With a passing score being 65, there is approximately a 16% probability of a randomly selecting a recruit who failed the entrance exam.<BR>\n" );
document.write( "c. There is approximately a 69% probability that one randomly selected applicant will score higher than 75 on the entrance exam.<BR>\n" );
document.write( "d. There is less than a 20% probability that one randomly selected applicant will be score below 68 on the entrance exam. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525708 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=525708\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mean of 85 and a standard deviation of 20<BR>\n" );
document.write( "a,b,c are easy eliminations<BR>\n" );
document.write( "d) P(x < 68), z  = -17/10 = -.85 , p(z < -1.7) = 19.77%<BR>\n" );
document.write( "Below:  z = 0, z = ± 1, z= ±2 , z= ±3 are plotted.  <BR>\n" );
document.write( "Note: z = 0 (x value the mean of<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++highlight_green%2885%29+ ALIGN=MIDDLE  ALT=\"++highlight_green%2885%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >   )<u> 50% of the area under the curve is to the left and %50 to the right</u><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C200%2C-5%2C5%2C-.5%2C1.5%2C+graph%28400%2C200%2C-5%2C5%2C-.5%2C1.5%2C+exp%28-x%5E2%2F2%29%29%2C+green%28line%281%2C0%2C1%2Cexp%28-1%5E2%2F2%29%29%2Cline%28-1%2C0%2C-1%2Cexp%28-1%5E2%2F2%29%29%29%2Cgreen%28line%282%2C0%2C2%2Cexp%28-2%5E2%2F2%29%29%2Cline%28-2%2C0%2C-2%2Cexp%28-2%5E2%2F2%29%29%29%2Cgreen%28line%283%2C0%2C3%2Cexp%28-3%5E2%2F2%29%29%2Cline%28-3%2C0%2C-3%2Cexp%28-3%5E2%2F2%29%29%29%2Cgreen%28line%28+0%2C0%2C+0%2Cexp%280%5E2%2F2%29%29%29%2Clocate%284.8%2C-.01%2Cz%29%2Clocate%284.8%2C.2%2Cz%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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