document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177519>Question 1177519</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected:\r<BR>\n" );
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document.write( "Age	Number of Customers<BR>\n" );
document.write( "Less than 20	59<BR>\n" );
document.write( "20-30	70<BR>\n" );
document.write( "30-40	78<BR>\n" );
document.write( "40-50	77<BR>\n" );
document.write( "50-60	94<BR>\n" );
document.write( "60 or more	64\r<BR>\n" );
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document.write( "One customer is chosen at random for a prize giveaway.\r<BR>\n" );
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document.write( "What is the probability that the customer is at least 20 but no older than 50? <BR>\n" );
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document.write( "What is the probability that the customer is either older than 60 or younger than 40? \r<BR>\n" );
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document.write( "What is the probability that the customer is at least 50? \r<BR>\n" );
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document.write( "Enter your answers as either decimals or fractions, not as percents. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #850448 by </B><A HREF=/tutors/aboutme.mpl?userid=CPhill><B>CPhill(1959)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CPhill><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=CPhill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=850448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, let's find the total number of customers: 59 + 70 + 78 + 77 + 94 + 64 = 442\r<BR>\n" );
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document.write( "**1. Probability of customer being at least 20 but no older than 50:**\r<BR>\n" );
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document.write( "* This includes the age groups: 20-30, 30-40, and 40-50.<BR>\n" );
document.write( "* Number of customers in these groups: 70 + 78 + 77 = 225<BR>\n" );
document.write( "* Probability = 225/442\r<BR>\n" );
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document.write( "**2. Probability of customer being either older than 60 or younger than 40:**\r<BR>\n" );
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document.write( "* This includes the age groups: Less than 20, 20-30, 30-40, and 60 or more.<BR>\n" );
document.write( "* Number of customers in these groups: 59 + 70 + 78 + 64 = 271<BR>\n" );
document.write( "* Probability = 271/442\r<BR>\n" );
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document.write( "**3. Probability of customer being at least 50:**\r<BR>\n" );
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document.write( "* This includes the age groups: 50-60 and 60 or more.<BR>\n" );
document.write( "* Number of customers in these groups: 94 + 64 = 158<BR>\n" );
document.write( "* Probability = 158/442\r<BR>\n" );
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document.write( "**Answers:**\r<BR>\n" );
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document.write( "* **At least 20 but no older than 50:** 225/442 <BR>\n" );
document.write( "* **Older than 60 or younger than 40:** 271/442<BR>\n" );
document.write( "* **At least 50:** 158/442 </SPAN>\n" );
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