Percents And Probability Worksheet With Answers - Lesson 12-19 Page 24
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49review
solve each proportion.
4 __
= x ___
7 __
= x __
1 _
= 15 __
11.
12.
13.
x
20
100
15
60
45
14.
Th e Fish and Wildlife Service estimated the bear population in
Oregon. Th ey use tetracycline to tag the bears’ teeth. Bear teeth
are then returned by hunters. Th e ratio of marked bear teeth
to the the total number of bear teeth collected is used to
develop a population estimate. Two hundred and thirty sets of
bear teeth were returned from one region. Forty-six of the those
sets were marked with tetracycline.
a. Write a ratio of marked bear teeth to total bear teeth collected.
b. Th ree hundred and eight bears had been marked with
tetracycline in that region. Predict the total bear population in that region.
t
-t
-t
~ P
c
ic
Ac
oe
i e
h A rt
1.
Determine a question you would like to ask 25 students to answer.
Th e question should ask students their preference for movie types,
music types, food types or any other preference of your choosing.
Write this question on your paper.
2.
Record the responses to your question in a chart like the one below. You will need to have between
three and fi ve diff erent possible answers to the question you choose to ask. For example, rather than
ask students to tell you their favorite ice cream (this could give you 20 diff erent answers!), you might
choose to ask: “Which type of ice cream is your favorite ~ chocolate, vanilla, strawberry, cookies
and cream or fudge swirl?”
types of _______
Frequency
(number of students who chose each type)
3.
Create a pie chart as another way to display the results. Label with the degree measure of each
section as well as the percent of students who chose that response.
4.
Find the number of students in your school.
5.
Predict the number of students who would choose each preference based on the information in
your pie chart.
94
Lesson 15 ~ Probabilities And Data Displays
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education