document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=694295>Question 694295</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the probabilities of complementary events is equal to 1.<BR>\n" );
document.write( "Choose one answer. <BR>\n" );
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document.write( "a. True 	<BR>\n" );
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document.write( "b. False 	<BR>\n" );
document.write( "Question 3 <BR>\n" );
document.write( "Marks: 3 <BR>\n" );
document.write( "Thirty people were asked about their favorite color, 10 said red, 15 said green, and 5 said blue. What is the probability that a person chosen has a favorite color of red or blue?<BR>\n" );
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document.write( "a. 50% 	<BR>\n" );
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document.write( "b. 83% 	<BR>\n" );
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document.write( "c. 33% 	<BR>\n" );
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document.write( "d. 67% 	<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427829 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=427829\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.<BR>\n" );
document.write( "answer: \r<BR>\n" );
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document.write( "a. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=true ALIGN=MIDDLE  ALT=\"true\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The sum of the probabilities of complementary events is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1 ALIGN=MIDDLE  ALT=\"1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "P(A) + P(A') = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1 ALIGN=MIDDLE  ALT=\"1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "2.\r<BR>\n" );
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document.write( "answer is: a. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50 ALIGN=MIDDLE  ALT=\"50\"   DISABLED_style= \"max-width:90%; height:auto;\" >%<BR>\n" );
document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10 ALIGN=MIDDLE  ALT=\"10\"   DISABLED_style= \"max-width:90%; height:auto;\" > red,the probability  a person chosen has a favorite color of red is   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F30=1%2F3=0.33333333333333333333333333333333 ALIGN=MIDDLE  ALT=\"10%2F30=1%2F3=0.33333333333333333333333333333333\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "and if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   DISABLED_style= \"max-width:90%; height:auto;\" > blue, the probability  a person chosen has a favorite color of blue is   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F30=1%2F6=0.16666666666666666666666666666667 ALIGN=MIDDLE  ALT=\"5%2F30=1%2F6=0.16666666666666666666666666666667\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "so, the probability  a person chosen has a favorite color of red and blue is   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F30%2B5%2F30=0.33333333333333333333333333333333%2B0.16666666666666666666666666666667=0.49999999999999999999999999999967 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > &asymp; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.50 ALIGN=MIDDLE  ALT=\"0.50\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50 ALIGN=MIDDLE  ALT=\"50\"   DISABLED_style= \"max-width:90%; height:auto;\" >%\r<BR>\n" );
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