Chapter 9 Probability Worksheet Page 40
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48H.O.T.
Problems
CHALLENGE
For Exercises 35 and 36, use the spinner.
RED
Use a tree diagram to construct the sample space of
35.
all the possible outcomes of three successive spins.
BLUE
Suppose the spinner is designed so that for each
GREEN
36.
spin there is a 40% probability of spinning red
and a 20% chance of spinning blue. What is the
probability of spinning two reds and then one blue?
MATH
A shelf has books A, B, and C on it. You pick a book at
37.
random, place it on a table, and then pick a second book. Explain why the
_
1
probability that you picked books A and B is not
.
9
A jar contains 8 white marbles, 4 green
What is the probability of spinning a
38.
39.
marbles, and 2 purple marbles. If
red, the number 1, and the letter A on
Darla picks one marble from the
the three spinners below?
jar without looking, what is the
E A
probability that it will be either
4
1
D
A
white or purple?
RED
YELLOW
C
A
_
_
3
2
5
2
C B
A
C
7
7
_
_
4
1
_
_
_
_
1
1
1
1
B
D
F
G
H
J
7
7
3
32
12
64
PROBABILITY
Ella is going to roll a number cube 30 times.
40.
How many times should she expect to roll a number greater
than 2?
(Lesson 9-7)
CHORES
This weekend, Brennen needs to do laundry, mow the
41.
lawn, and clean his room. How many different ways can he do
these three chores?
(Lesson 9-6)
Evaluate each expression if a = 6, b = -4, and c = -3.
ALGEBRA
(Lesson 1-6)
-8a
2
9c
2bc
5 b
42.
43.
44.
45.
in Science
Math Genes
It’s time to complete your project. Use the information and data you have gathered
about genetics and pet traits to prepare a poster. Be sure to include a chart displaying your data with
your project.
g
Unit Project at
497
Lesson 9-8 Compound Events
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