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Probability
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Probability questions for statistics class. #probability
Flashcards
22 cards
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Questions
22
Answers
1
The area shaded in green is which of the following?
A ∩ B
The complement of A
A ∪ B
None of these.
2
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
True
False
3
What is the odds of rolling a 7 when you roll one standard die one time?
0
3/6
5/6
1/6
4
What is the probability that a number less than 7 will appear when you roll a die one time?
1/2
0
1/6
1
5
You roll a fair six-sided die once. What is the probability of getting an
even number
?
0
1/2
1/6
1/3
6
An event with a probability of 0.1 ...
cannot occur.
is certain to occur.
is very likely to occur.
is not very likely to occur.
7
Which of the following experiments does
NOT have equally likely outcomes
?
Toss a coin.
Choose a number at random from 1 to 7.
Choose a letter at random from the word SCHOOL.
8
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
9
What is the probability that you draw the
ace of diamonds
from the deck?
0
1/52
1/13
1/4
10
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/2
0
1/4
1/13
11
If I toss a fair coin, what is the probability that tails appears?
None of the these
1
1/2
0
12
What is the probability that you draw an
ace
from a well-shuffled deck?
1/4
1/2
1/13
0
13
If an event is
certain to occur
, it has a probability of zero.
False
True
14
If an event is
impossible
, it has a probability of zero.
True
False
15
On a single roll of a standard die, what is the probability that an odd number will appear?
1/6
1
3/6
0
16
The area shaded in green is which of these?
None of these.
A ∩ B
The complement of A
A ∪ B
17
If I toss a fair coin twice and get TT, what is the probability that tails appears next toss?
1/2
2/3
0
1
18
What is the probability of randomly choosing a vowel (a,e,i,o,u) from the English alphabet?
21/26
1/21
5/26
None of these.
19
The area shaded in green is which of the following?
The complement of A
None of these.
A ∩ B
A ∪ B
20
What is the probability of rolling a number
greater than 4
?
1/3
1
0
1/2
21
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
1/6
0
3/6
5/6
22
What is the probability that you draw a
red
card from a shuffled deck of cards?
0
1/2
1/4
1/13
