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