Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
NAME _____________________________________________ DATE __________________ PERIOD _________ Lesson 1 Homework Practice Make Predictions QUIZ SHOW For Exercises 1 and 2, use the following information. On a quiz show, a contestant correctly answered 9 of the last 12 questions. 1. Based on these results, find the probability of the contestant correctly answering 3 the next question. − , 0.75, or 75% 4 2. Suppose the contestant continues on the show and tries to correctly answer 24 questions. About how many questions would you predict the contestant to correctly answer? About 18 questions Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. CHORES For Exercises 3–6, use the table to predict the number of students out of 528 that would say each of the following was their least favorite chore. Least Favorite Chore Chore Number of Students Clean my room 7 Take out the garbage Wash dishes Walk the dog Vacuum or dust 4 5 3 5 3. clean my room 154 students 4. wash dishes 5. walk the dog 66 students 6. take out the garbage 88 students 7. BOOK The results of a survey asking teens their favorite type of book to read is shown. 110 students Favorite Type of Book a. Out of 250 teens, predict how many would choose mystery as their favorite type of book to read. 37% Mystery about 93 teens b. Out of 250 teens, predict how many would choose 25% Science Fiction adventure as their favorite type of book to read. about 63 teens c. Out of 250 teens, predict how many would choose science fiction as their favorite type of book to read. 13% Romance 25% Adventure about 63 teens Course 2 • Chapter 10 Statistics 153