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Duplicate of Probability
Duplicate of Probability
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Probability questions for statistics class. #probability
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Questions
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Answers
1
A women has three sons. What is the probability that her next child will be a girl?
1/2
1/4
0
1/8
2
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.
3
What is the probability that you draw the
ace of diamonds
from the deck?
1/4
1/13
1/52
0
4
Two events are independent if the occurrence of one doesn't affect the probability of the other
False
True
5
What are independent events?
Events where the probabilities ARE NOT related.
Events where the probabilities ARE related.
6
What is the probability of rolling a number
greater than 4
?
0
1/2
1
1/3
7
The area shaded in green is which of these?
A or B
None of these.
The complement of A
A and B
8
Two dice are rolled. What is the probability that the sum is 12?
1/6
1/12
1/36
0
9
Two coins are tossed. What is the probability of getting two heads, P(HH)?
0
1
1/2
1/4
10
The area shaded in green is which of the following?
None of these.
A or B
The complement of A
A and B
11
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
12
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
13
What is the odds of rolling a 7 when you roll one standard die one time?
3/6
1/6
0
5/6
14
What is the probability of randomly choosing a vowel (a,e,i,o,u) from the English alphabet?
21/26
None of these.
5/26
1/21
15
On a single roll of a standard die, what is the probability that an odd number will appear?
0
1
3/6
1/6
16
If I toss a fair coin, what is the probability that tails appears?
None of the these
1
0
1/2
17
What are dependent events?
Events where the probabilities ARE related.
Events where the probabilities ARE NOT related.
18
What is experimental probability?
The probability based on what has happened?
The probability based on what should happen.
19
If an event is
impossible
, it has a probability of zero.
False
True
20
What is the probability that a number less than 7 will appear when you roll a die one time?
0
1
1/6
1/2
21
What is theoretical probability?
The probability that should happen.
The probability based on what has happened.
22
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/13
1/4
1/2
0
23
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
0
1/4
1/2
1/13
24
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.
25
What is sample space, S?
The favorable outcomes of an event.
The area on the space shuttle for experiment samples.
The total possible outcomes of an event.
The area where samples are.
26
If an event is
certain to occur
, it has a probability of zero.
False
True
27
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
True
False
28
The area shaded in green is which of the following?
None of these.
A or B
The complement of A
A and B
29
If I toss a fair coin twice and get TT, what is the probability that tails appears next toss?
1
1/2
2/3
0
30
You roll a fair six-sided die once. What is the probability of getting an
even number
?
1/6
1/2
0
1/3
31
What is the probability that you draw an
ace
from a well-shuffled deck?
1/2
0
1/4
1/13
