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Chapter 10 Test: Probability
1.) (Chapter 10.1) If you flip a coin, how many total outcomes are there?
a. 1
c. 3
b. 2
d. 4
2.) (Chapter 10.1) If you flip a coin and want heads, how many favorable outcomes are there?
a. 1
c. 3
b. 2
d. 4
3.) (Chapter 10.1) In order to figure out who will go first in a game, your friend asks you pick a
number between 1-25. What is the number of favorable outcomes possible you could guess?
a. 1
c. 24
b. 25
d. 26
4.) (Chapter 10.1) In order to figure out who will go first in a game, your friend asks you pick a
number between 1-25. What are the favorable outcomes of choosing a number less than 20?
a. 25
c. 20
b. 19
d. 18
5.) (Chapter 10.2) Describe the likelihood of the event: “there is a 30% chance of snow tomorrow.”
a.) Out of 10 days like tomorrow it
will snow 3 of them
c.) Out of 3 days like tomorrow it
will snow 10 of them
b.) Out of 10 days like tomorrow it
will snow 10 of them
d.) Out of 3 days like tomorrow it
will snow 3 of them
6.) (Chapter 10.2) You randomly choose one hat from 3 green, 4 black hats, 2 white hats, 2 red hats,
and 1 blue hat. Find the probability of choosing a red hat:
a. 3/12
c. 2/12
b. 4/12
d. 1/12
7.) (Chapter 10.2) You randomly choose one hat from 3 green, 4 black hats, 2 white hats, 2 red hats,
and 1 blue hat. Find the probability of choosing a blue hat:
a. 3/12
c. 2/12
b. 4/12
d. 1/12
8.) (Chapter 10.2) You randomly choose one hat from 3 green, 4 black hats, 2 white hats, 2 red hats,
and 1 blue hat. Find the probability of choosing a white hat:
a. 3/12
c. 2/12
b. 4/12
d. 1/12
9.) (Chapter 10.2) You randomly choose one hat from 3 green, 4 black hats, 2 white hats, 2 red hats,
and 1 blue hat. Find the probability of NOT choosing a red hat:
a. 9/12
c. 2/12
b. 10/12
d. 3/12
10.)
(Chapter 10.2) You randomly choose one hat from 3 green, 4 black hats, 2 white hats, 2 red
hats, and 1 blue hat. Find the probability of NOT choosing a green hat:
a. 9/12
c. 2/12
b. 10/12
d. 3/12
11.)
(Chapter 10.2) The probability you draw a mechanical pencil from a group of 25
mechanical pencils and wooden pencils is 3/5. How many are mechanical pencils?
12.)
a. 3
c. 15
b. 5
d. 10
(Chapter 10.3) What is the probability of rolling a 3 on a number cube?
a. 1/5
c. 3/5
b. 1/6
d. 3/6
13.)
(Chapter 10.3) What is the probability of rolling a number greater than 3 on a number
cube?
a. 2/6
c. 4/6
b. 3/6
d. 1/6
14.)
(Chapter 10.3) What is the theoretical probability of rolling a 3 on a number cube if you roll
60 times?
a. 10/60
c. 30/60
b. 3/60
d. 40/60
15.)
(Chapter 10.4) The school lockers use a sequence of 3 numbers. The sequence allows
numbers to repeat numbers previously used. The circular dial can be turned to accommodate
numbers between 0-36. How many numbers might the first number in the combination be?
a. 36
c. 0
b. 37
d. 35
16.)
(Chapter 10.4) The school lockers use a sequence of 3 numbers. The sequence allows
numbers to repeat numbers previously used. The circular dial can be turned to accommodate
numbers between 0-36. How many options are there for combinations?
a. 36 x 36 x 36 = 46,656
c. 36 x 35 x 34 =42,840
b. 35 x 35 x 35 =42,875
d. 35 x 34 x 33 =39,270
17.)
(Chapter 10.4) How many possible outcomes are there to order pizza based on the chart?
Crust
Topping
Sauce
Choices
Deep dish, thin, stuffed crust, or parmesan garlic
Pepperoni, sausage, extra cheese, jalapenos, bacon, or peppers
Mild, Spicy, Garlic, or Ranch
a. 3 x 6 x 4 = 72
c. 4 + 6 + 4 = 14
b. Infinity
d. 4 x 6 x 4 = 96
18.)
(Chapter 10.4) How many possible outcomes are there to create a new “iphone 52” based
on the chart? (15 years in the future)
Color
Hard drive
Screen size
a. 10 x 3 x 3= 90
b. 15 + 3 x 3= 24
Choices
Teal, Blue, Magenta, Light Pink, Lime, Purple, red, Clear, Black,
white, Ohio State theme, Orange, Yellow, Grey, or Leopard print
16 GB, 32 GB, 64 GB,
4 inch, 5 inch, 6 inch
c. 15 + 3 + 3= 21
d. 15 x 3 x 3= 135
19.)
(Chapter 10.4) What is the total amount of possible outcomes when spinning a spinner
with 5 sections and flipping a coin?
a. 10
c. 12
b. 7
d. 8
20.)
21.)
22.)
(Chapter 10.5) What is the probability of rolling a 3 twice in a row?
a. 3/36
c. 1/36
b. 3/6
d. 6/36
(Chapter 10.5) What is the probability of rolling a 2 and then a 4?
a. 3/36
c. 1/36
b. 3/6
d. 6/36
(Chapter 10.5) What is the probability flipping a heads, rolling a 5, and then rolling a 2?
a. 7/72
c. 1/72
b. 3/6
d. 6/36
23.)
(Chapter 10.5) What is the probability of flipping heads, NOT rolling a 2, then rolling an
even number?
a. 15/72
c. 1/72
b. 3/72
d. 6/36
24.)
(Chapter 10.5) What is the probability of rolling a number less than 3, then rolling a
number greater than 3?
a. 1/72
c. 1/36
b. 3/6
d. 6/36
25.)
(Chapter 10.5) What is the probability of rolling an odd number and then rolling a number
equal to or less than 4?
a. 1/72
c. 1/36
b. 12/36
d. 6/36
26.)
(Chapter 10.5) Are these events dependent on one another or independent from one
another: Rolling a 4 and spinning red?
a. Dependent
b. independent
27.)
(Chapter 10.5) A hat contains 2 blue marbles and 5 red marbles. What is the probability of
choosing a red then a blue in that order if the first marble is NOT replaced into the container?
a. 20/49
b. 10/49
c. 10/42
d. 7/13