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