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Probability questions for statistics class. #probability
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Questions
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Answers
1
What is the probability that a number less than 7 will appear when you roll a die one time?
1
1/6
0
1/2
2
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.
3
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
1/4
1/2
1/13
0
4
The area shaded in green is which of these?
A ∩ B
None of these.
The complement of A
A ∪ B
5
Two dice are rolled. What is the probability that the sum is 12?
1/6
0
1/36
1/12
6
Two coins are tossed. What is the probability of getting two heads, P(HH)?
1
0
1/4
1/2
7
An event with a probability of 0.1 ...
is certain to occur.
cannot occur.
is not very likely to occur.
is very likely to occur.
8
What is the probability of rolling a number
greater than 4
?
1/3
0
1
1/2
9
What are dependent events?
Events where the probabilities ARE related.
Events where the probabilities ARE NOT related.
10
What is the probability that you draw the
ace of diamonds
from the deck?
1/13
0
1/4
1/52
11
What is the probability that you draw an
ace
from a well-shuffled deck?
0
1/2
1/4
1/13
12
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
5/6
0
3/6
1/6
13
The area shaded in green is which of the following?
None of these.
The complement of A
A ∪ B
A ∩ B
14
If an event is
impossible
, it has a probability of zero.
True
False
15
What is sample space, S?
The area where samples are.
The total possible outcomes of an event.
The favorable outcomes of an event.
16
The area shaded in green is which of the following?
None of these.
A ∩ B
The complement of A
A ∪ B
17
You roll a fair six-sided die once. What is the probability of getting an
even number
?
1/6
1/3
0
1/2
18
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/13
0
1/4
1/2
19
What are independent events?
Events where the probabilities ARE NOT related.
Events where the probabilities ARE related.
