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