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probability
probability
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1
What is the numerical value that belongs in box B in the probability distribution?
- 2
2
7
3
2
What is the
probability
that someone’s birthday is February 31?
0
0.5
1
100
3
How many different combinations of 2 dice are there?
6
36
18
12
4
You spin the spinner once. What is the probability the arrow will land on
“1”
?
1/3
Not enough information here
1/2
1/4
5
Consider the probability distribution below.
2
73
124
125
6
Consider the probability distribution below. (Probabilities are rounded.)
2 or more goals
0 or 1 goal
5 goals
3 goals
7
What numerical value belongs in box D in the probability distribution?
1/6
3/6
2/6
- 2
8
The
probability
of an event can
NOT
be greater than what value?
10
1
0
100
9
How many times is the spinner likely to land on
“2”
in 40 spins?
4 times
20 times
10 times
Not here
10
What is
probability
?
A word substituted for a noun
Waiting until the last minute to complete an assignment
The likelihood that something will happen
A circular pie covered with sauce and cheese
11
Consider the probability distribution below.
$ 75
$ 2
$ 73
No way to tell.
12
TRUE or FALSE: The following is a probability distribution.
FALSE
TRUE
13
Outcomes that have the same probability (such a rolling one die) are called __________.
dependent outcomes
inequalities
mutually exclusive outcomes
equally likely outcomes
14
True or False? You spin the spinner once. The probability the arrow will land on
“2”
is 1/4.
False
True
15
True or False? In a fair deck of 52 cards, the probability of choosing a
SPADE
is 1/52.
True
False
16
You spin the spinner once. What is the probability the arrow will land on
“3”
?
1/4
1/6
1/3
1/2
17
Consider the probability distribution below.
- $1.40
- $ 2
$ 1.40
- $1.98
18
TRUE or FALSE: The following is a probability distribution.
TRUE
FALSE
19
The
probability
of an event can
NOT
be less than what value?
5
−1
1
0
20
Which choice is
MOST LIKELY
to occur?
Rolling a composite number on a 6-sided die
Choosing the queen of hearts from a deck of cards
Choosing a heart from a deck of cards
Rolling a prime number on a 6-sided die
21
DISCRETE or CONTINUOUS: number of gallons of water in a swimming pool
Continuous
Discrete
22
Consider the probability distribution below. (Probabilities are rounded.)
It is unusual bc P(2) > 0.05.
It depends on his number of yellow cards.
It is not unusual bc P(2) > 0.05.
It is not unusual bc P(2) >0.
23
True or False? The probability of choosing a
blue
marble is 3/4.
True
False
24
Consider the probability distribution below. (Probabilities are rounded.)
1 - 0.063
0.0005 + 0.009 + 0.063
0.063
0.063 x 2
25
The probability of an event can be thought of as a
comparison
. What questions do you have?
I’d like to talk more about what “outcomes” are.
I think I understand this!
I’d like to talk more about what “favorable” means.
I have a different question!
26
Consider the probability distribution below.
$ 75
$73
$ 2
$ 125
27
What is the
probability
that someone flips a fair two-sided coin, and it lands on
TAILS
?
0.5
50%
1/2
1
28
Consider the probability distribution below.
$ 2.00
$ 1.40
$ 75
$ 0.60
29
Which choice is true about the result of the
next
flip of this coin?
Heads OR tails is equally likely
Heads is LESS likely
Heads is MORE likely
Tails is MORE likely
30
Which choice is
LEAST LIKELY
to occur?
Choosing the ace of spades from a deck of cards
Choosing a spade from a deck of cards
Rolling an odd number on a 6-sided die
Rolling a prime number on a 6-sided die
31
Consider the probability distribution below. (Probabilities are rounded.)
3.91 goals
4.23 goals
0 goals
0.92 goal
32
DISCRETE or CONTINUOUS: number of bolts used in a roller coaster at Six Flags
Discrete
Continuous
33
Which choice is true about the result of the
next
flip of this coin?
Heads is MORE likely
Tails is MORE likely
Not enough information
Heads OR tails is equally likely
34
Find the missing probability for the probability distribution below.
0.97
0.03
0.13
0.93
35
In a probability distribution, all P(x) must add up to ______.
a value between 0 and 1
50%
1
36
How many times is the spinner likely to land on
“3”
in 90 spins?
60 times
15 times
30 times
40 times
37
Consider the probability distribution below. (Probabilities are rounded.)
1 - 0.407
0.407
0.407 + 0.297
0.407 x 0.297
38
How many times is the spinner likely to land on
“4”
in 40 spins?
20 times
10 times
Not here
4 times
39
You spin the spinner once. What is the probability the arrow will
NOT
land on
“1”
?
1/6
100%
1/3
0.5
40
True or False? You spin the spinner once. The probability the arrow will land on
“3”
is 25 %.
True
False
41
What is the probability of choosing a
pink
marble?
3/8
5/8
3/5
Not here
