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