stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Probability Flashcards | StudBud
Explore
/
Probability
Probability
34 terms
·
StudBud Administration
·
18 plays
Probability questions for statistics class.
Flashcards
34 cards
F
Practice quiz
P
Host live
L
Questions
34
Answers
1
What is the probability of randomly choosing a vowel (a,e,i,o,u) from the English alphabet?
21/26
5/26
1/21
None of these.
2
Two events are independent if the occurrence of one doesn't affect the probability of the other
False
True
3
The area shaded in green is which of the following?
A ∪ B
None of these.
A ∩ B
The complement of A
4
A women has three sons. What is the probability that her next child will be a girl?
0
1/2
1/4
1/8
5
What is the symbol for the empty set?
⊂
∩
∅
Ω
6
What is the probability of the set that contains all possible outcomes, P(Ω)?
0
1/2
1
3/4
7
Which of the following experiments does
NOT have equally likely outcomes
?
Toss a coin.
Choose a letter at random from the word SCHOOL.
Choose a number at random from 1 to 7.
8
An event with a probability of 0.1 ...
is very likely to occur.
is not very likely to occur.
cannot occur.
is certain to occur.
9
What is theoretical probability?
The probability that should happen.
The probability based on what has happened.
10
What is the probability of rolling a number
greater than 4
?
1/2
1/3
0
1
11
What is the probability that you draw the
ace of diamonds
from the deck?
0
1/52
1/4
1/13
12
What are dependent events?
Events where the probabilities ARE related.
Events where the probabilities ARE NOT related.
13
What is sample space, S?
The favorable outcomes of an event.
The total possible outcomes of an event.
The area where samples are.
14
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
0
1/4
1/2
1/13
15
What is the probability of the empty set, P(∅)?
1
3/4
0
1/2
16
If I toss a fair coin twice and get TT, what is the probability that tails appears next toss?
2/3
0
1/2
1
17
If an event is
certain to occur
, it has a probability of zero.
True
False
18
What is the probability that a number less than 7 will appear when you roll a die one time?
1
0
1/6
1/2
19
Two coins are tossed. What is the probability of getting two heads, P(HH)?
1
1/4
0
1/2
20
Two dice are rolled. What is the probability that the sum is 12?
1/6
0
1/12
1/36
21
What is experimental probability?
The probability based on what should happen.
The probability based on what has happened?
22
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/13
1/2
1/4
0
23
If I toss a fair coin, what is the probability that tails appears?
None of the these
1/2
0
1
24
What is the odds of rolling a 7 when you roll one standard die one time?
1/6
0
3/6
5/6
25
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
False
True
26
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
0
1/6
3/6
5/6
27
What are independent events?
Events where the probabilities ARE related.
Events where the probabilities ARE NOT related.
28
On a single roll of a standard die, what is the probability that an odd number will appear?
1
3/6
0
1/6
29
You roll a fair six-sided die once. What is the probability of getting an
even number
?
1/2
1/6
1/3
0
30
The area shaded in green is which of these?
A ∩ B
None of these.
The complement of A
A ∪ B
31
If an event is
impossible
, it has a probability of zero.
False
True
32
Given a bag with 12 red and 7 green marbles, what is the odds of randomly selecting a
red
one?
12/19
7/12
1/2
7/19
33
What is the probability that you draw an
ace
from a well-shuffled deck?
1/4
0
1/2
1/13
34
The area shaded in green is which of the following?
A ∩ B
None of these.
A ∪ B
The complement of A
