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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
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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
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