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