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