document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1164260>Question 1164260</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A survey was conducted to see how many phone calls people made daily. The results are displayed in the table below:\r<BR>\n" );
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document.write( "Number of calls made\r<BR>\n" );
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document.write( "Frequency\r<BR>\n" );
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document.write( "1-4\r<BR>\n" );
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document.write( "14\r<BR>\n" );
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document.write( "5-8\r<BR>\n" );
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document.write( "12\r<BR>\n" );
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document.write( "9-12\r<BR>\n" );
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document.write( "6\r<BR>\n" );
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document.write( "13-16\r<BR>\n" );
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document.write( "2\r<BR>\n" );
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document.write( "17-20\r<BR>\n" );
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document.write( "Round all answers to the nearest whole number.\r<BR>\n" );
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document.write( "How many of the people surveyed make less than 5 calls per day? \r<BR>\n" );
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document.write( "What percentage of those surveyed make at least 13 calls per day? <BR>\n" );
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document.write( "How many people were surveyed? <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 #854355 by </B><A HREF=/tutors/aboutme.mpl?userid=CPhill><B>CPhill(2264)</B></A><img src=\"/images/stars/stars-13.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=854355\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ```python?code_reference&code_event_index=1<BR>\n" );
document.write( "data = {<BR>\n" );
document.write( "    \"Calls\": [\"1-4\", \"5-8\", \"9-12\", \"13-16\", \"17-20\"],<BR>\n" );
document.write( "    \"Frequency\": [14, 12, 6, 2, 1]<BR>\n" );
document.write( "}\r<BR>\n" );
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document.write( "# 1. Total people surveyed<BR>\n" );
document.write( "total_people = sum(data[\"Frequency\"])\r<BR>\n" );
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document.write( "# 2. Less than 5 calls (This is the 1-4 bracket)<BR>\n" );
document.write( "less_than_5 = 14\r<BR>\n" );
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document.write( "# 3. At least 13 calls (This is 13-16 and 17-20)<BR>\n" );
document.write( "at_least_13 = 2 + 1<BR>\n" );
document.write( "percentage_at_least_13 = (at_least_13 / total_people) * 100\r<BR>\n" );
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document.write( "print(f\"Total surveyed: {total_people}\")<BR>\n" );
document.write( "print(f\"Less than 5: {less_than_5}\")<BR>\n" );
document.write( "print(f\"At least 13: {at_least_13}\")<BR>\n" );
document.write( "print(f\"Percentage: {percentage_at_least_13}\")\r<BR>\n" );
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document.write( "```<BR>\n" );
document.write( "```text?code_stdout&code_event_index=1<BR>\n" );
document.write( "Total surveyed: 35<BR>\n" );
document.write( "Less than 5: 14<BR>\n" );
document.write( "At least 13: 3<BR>\n" );
document.write( "Percentage: 8.571428571428571\r<BR>\n" );
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document.write( "```<BR>\n" );
document.write( "Based on the table provided, here are the calculations for the survey results.\r<BR>\n" );
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document.write( "### **1. How many of the people surveyed make less than 5 calls per day?**<BR>\n" );
document.write( "The category for \"less than 5\" is the **1  -  4** calls bracket.<BR>\n" );
document.write( "* **Number of people:** **14**\r<BR>\n" );
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document.write( "---\r<BR>\n" );
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document.write( "### **2. How many people were surveyed?**<BR>\n" );
document.write( "To find the total, we sum the frequencies of all categories:<BR>\n" );
document.write( "* $14 + 12 + 6 + 2 + 1 = 35$<BR>\n" );
document.write( "* **Total surveyed:** **35**\r<BR>\n" );
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document.write( "---\r<BR>\n" );
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document.write( "### **3. What percentage of those surveyed make at least 13 calls per day?**<BR>\n" );
document.write( "\"At least 13\" includes the categories **13  -  16** and **17  -  20**.<BR>\n" );
document.write( "* **Number of people:** $2 + 1 = 3$<BR>\n" );
document.write( "* **Calculation:** $\frac{3}{35} \times 100 \approx 8.57\%$<BR>\n" );
document.write( "* **Rounding to the nearest whole number:** **9%**\r<BR>\n" );
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document.write( "---\r<BR>\n" );
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document.write( "### **Summary of Answers**<BR>\n" );
document.write( "* How many make less than 5 calls: **14**<BR>\n" );
document.write( "* How many people were surveyed: **35**<BR>\n" );
document.write( "* Percentage making at least 13 calls: **9%** </SPAN>\n" );
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