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Probability Quiz
Probability Quiz
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Probability questions for statistics class. #probability
Flashcards
30 cards
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Questions
30
Answers
1
What is the probability of randomly choosing a vowel (a,e,i,o,u) from the English alphabet?
None of these.
21/26
1/21
5/26
2
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
1/2
1/4
1/13
0
3
What is the probability of rolling a 7 when you roll one standard number cube one time?
5/6
1/6
0
3/6
4
What is experimental probability?
The probability based on what has happened?
The probability based on what should happen.
5
Given a bag with 12 red and 7 green marbles, what is the odds of randomly selecting a
red
one?
12/19
7/12
7/19
1/2
6
A women has three sons. What is the probability that her next child will be a girl?
1/4
1/8
0
1/2
7
If I toss a fair coin, what is the probability that tails appears?
1
None of the these
0
1/2
8
What is the probability that you draw the
ace of diamonds
from the deck?
1/4
1/52
1/13
0
9
You roll a fair six-sided die once. What is the probability of getting an
even number
?
1/2
1/6
0
1/3
10
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
True
False
11
What is the probability that you draw an
ace
from a well-shuffled deck?
1/2
0
1/4
1/13
12
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
5/6
3/6
0
1/6
13
If an event is
certain to occur
, it has a probability of zero.
True
False
14
What is the probability that a number less than 7 will appear when you roll a die one time?
1/6
1/2
0
1
15
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/13
0
1/4
1/2
16
What is the probability you are going to get an "A" on this quiz?
100%
At least 50%
Not even remotely possible
Wait, what, this was a quiz?
17
On a single roll of a standard die, what is the probability that an odd number will appear?
0
1/6
1
3/6
18
Two dice are rolled. What is the probability that the sum is 12?
1/36
1/6
1/12
0
19
What are independent events?
Events where the probabilities ARE NOT related.
Events where the probabilities ARE related.
20
What is the probability of rolling a number
greater than 4
?
1
0
1/3
1/2
21
An event with a probability of 0.1 ...
is very likely to occur.
is certain to occur.
cannot occur.
is not very likely to occur.
22
Two events are independent if the occurrence of one doesn't affect the probability of the other
False
True
23
Which of the following experiments does
NOT have equally likely outcomes
?
Choose a letter at random from the word SCHOOL.
Toss a coin.
Choose a number at random from 1 to 7.
24
What are dependent events?
Events where the probabilities ARE related.
Events where the probabilities ARE NOT related.
25
If an event is
impossible
, it has a probability of zero.
True
False
26
If I toss a fair coin twice and get TT, what is the probability that tails appears next toss?
0
2/3
1/2
1
27
What is the probability of the set that contains all possible outcomes?
0
1/2
1
3/4
28
Two coins are tossed. What is the probability of getting two heads, P(HH)?
1
1/2
1/4
0
29
What is sample space, S?
The total possible outcomes of an event.
The area where samples are.
The favorable outcomes of an event.
a galaxy
30
What is theoretical probability?
The probability that should happen.
The probability based on what has happened.
