Relative Frequency Problems

<p>A fitness club asks different types of athletes what time of day they prefer to exercise. </p><TableUIv2 data-props='{ "headers": [ { "value": "Type of Athlete" }, { "value": "Morning" }, { "value": "Afternoon" }, { "value": "Evening" }, { "value": "Total" } ], "borders": {}, "rows": [ [ { "value": "Runners", "dim": false, "highlight": false }, { "value": "`12`", "dim": false, "highlight": false }, { "value": "`5`", "dim": false, "highlight": false }, { "value": "`8`", "dim": false, "highlight": false }, { "value": "`25`", "dim": false, "highlight": false } ], [ { "value": "Bikers", "dim": false, "highlight": false }, { "value": "`6`", "dim": false, "highlight": false }, { "value": "`14`", "dim": false, "highlight": false }, { "value": "`12`", "dim": false, "highlight": false }, { "value": "`32`", "dim": false, "highlight": false } ], [ { "value": "Swimmers", "dim": false, "highlight": false }, { "value": "`7`", "dim": false, "highlight": false }, { "value": "`11`", "dim": false, "highlight": false }, { "value": "`15`", "dim": false, "highlight": false }, { "value": "`33`", "dim": false, "highlight": false } ], [ { "value": "Total", "dim": false, "highlight": false }, { "value": "`25`", "dim": false, "highlight": false }, { "value": "`30`", "dim": false, "highlight": false }, { "value": "`35`", "dim": false, "highlight": false }, { "value": "`90`", "dim": false, "highlight": false } ] ]}'></TableUIv2 ><p>What percent of the athletes are runners who prefer to exercise in the morning?</p>

<p>An entertainment company surveyed people about whether they have a dog and if they have heard of a new animated movie about a dog. </p><TableUIv2 data-props='{ "headers": [ { "value": "Pet Status" }, { "value": "Have Heard of the Movie" }, { "value": "Have Not Heard of the Movie" }, { "value": "Total" } ], "borders": {}, "rows": [ [ { "value": "Have a Dog", "dim": false, "highlight": false }, { "value": "`20`", "dim": false, "highlight": false }, { "value": "`26`", "dim": false, "highlight": false }, { "value": "`46`", "dim": false, "highlight": false } ], [ { "value": "Do Not Have a Dog", "dim": false, "highlight": false }, { "value": "`4`", "dim": false, "highlight": false }, { "value": "`30`", "dim": false, "highlight": false }, { "value": "`34`", "dim": false, "highlight": false } ], [ { "value": "Total", "dim": false, "highlight": false }, { "value": "`24`", "dim": false, "highlight": false }, { "value": "`56`", "dim": false, "highlight": false }, { "value": "`80`", "dim": false, "highlight": false } ] ]}'></TableUIv2 ><p>What percent of the people surveyed have not heard of the movie?</p>

<p>Ms. Sanchez surveyed the students in her `2` social studies classes about whether, after finishing their current unit, they would prefer to create a slide presentation or take a test. </p><TableUIv2 data-props='{ "headers": [ { "value": "Class" }, { "value": "Slide Presentation" }, { "value": "Take a Test" }, { "value": "Total" } ], "borders": {}, "rows": [ [ { "value": "3rd Period", "dim": false, "highlight": false }, { "value": "`16`", "dim": false, "highlight": false }, { "value": "`8`", "dim": false, "highlight": false }, { "value": "`24`", "dim": false, "highlight": false } ], [ { "value": "7th Period", "dim": false, "highlight": false }, { "value": "`9`", "dim": false, "highlight": false }, { "value": "`12`", "dim": false, "highlight": false }, { "value": "`21`", "dim": false, "highlight": false } ], [ { "value": "Total", "dim": false, "highlight": false }, { "value": "`24`", "dim": false, "highlight": false }, { "value": "`20`", "dim": false, "highlight": false }, { "value": "`44`", "dim": false, "highlight": false } ] ]}'></TableUIv2 ><p>What fraction of students surveyed were in 3rd period? </br><highlight data-color="#666" data-style="italic">Write your answer as a fraction in simplest form.</highlight></p>

<p>Students at Evergreen Middle School were surveyed about what color to paint the walls in the new cafeteria. </p><TableUIv2 data-props='{ "headers": [ { "value": "Grade" }, { "value": "Blue" }, { "value": "White" }, { "value": "Green" }, { "value": "Total" } ], "borders": {}, "rows": [ [ { "value": "6th Graders", "dim": false, "highlight": false }, { "value": "`18`", "dim": false, "highlight": false }, { "value": "`3`", "dim": false, "highlight": false }, { "value": "`6`", "dim": false, "highlight": false }, { "value": "`27`", "dim": false, "highlight": false } ], [ { "value": "7th Graders", "dim": false, "highlight": false }, { "value": "`10`", "dim": false, "highlight": false }, { "value": "`4`", "dim": false, "highlight": false }, { "value": "`15`", "dim": false, "highlight": false }, { "value": "`29`", "dim": false, "highlight": false } ], [ { "value": "8th Graders", "dim": false, "highlight": false }, { "value": "`12`", "dim": false, "highlight": false }, { "value": "`13`", "dim": false, "highlight": false }, { "value": "`5`", "dim": false, "highlight": false }, { "value": "`30`", "dim": false, "highlight": false } ], [ { "value": "Total", "dim": false, "highlight": false }, { "value": "`40`", "dim": false, "highlight": false }, { "value": "`20`", "dim": false, "highlight": false }, { "value": "`26`", "dim": false, "highlight": false }, { "value": "`86`", "dim": false, "highlight": false } ] ]}'></TableUIv2 ><p>What percent of the 8th graders chose blue?</p>

<p>Bev’s Bakery offered an afternoon special of a baked good and a beverage. They kept track of what customers ordered. </p><TableUIv2 data-props='{ "headers": [ { "value": "Baked Good" }, { "value": "Coffee" }, { "value": "Tea" }, { "value": "Milk" }, { "value": "Total" } ], "borders": {}, "rows": [ [ { "value": "Pie", "dim": false, "highlight": false }, { "value": "`6`", "dim": false, "highlight": false }, { "value": "`2`", "dim": false, "highlight": false }, { "value": "`3`", "dim": false, "highlight": false }, { "value": "`11`", "dim": false, "highlight": false } ], [ { "value": "Cake", "dim": false, "highlight": false }, { "value": "`5`", "dim": false, "highlight": false }, { "value": "`1`", "dim": false, "highlight": false }, { "value": "`5`", "dim": false, "highlight": false }, { "value": "`11`", "dim": false, "highlight": false } ], [ { "value": "Cookie", "dim": false, "highlight": false }, { "value": "`2`", "dim": false, "highlight": false }, { "value": "`1`", "dim": false, "highlight": false }, { "value": "`10`", "dim": false, "highlight": false }, { "value": "`13`", "dim": false, "highlight": false } ], [ { "value": "Total", "dim": false, "highlight": false }, { "value": "`13`", "dim": false, "highlight": false }, { "value": "`4`", "dim": false, "highlight": false }, { "value": "`18`", "dim": false, "highlight": false }, { "value": "`35`", "dim": false, "highlight": false } ] ]}'></TableUIv2 ><p>What percent of the customers who ordered milk chose cake?</p>