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