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Duplicate of Probability
Duplicate of Probability
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Probability questions for statistics class. #probability
Flashcards
26 cards
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Questions
26
Answers
1
What is the probability of randomly choosing a vowel (a,e,i,o,u) from the English alphabet?
1/21
5/26
None of these.
21/26
2
Which of the following experiments does
NOT have equally likely outcomes
?
Choose a number at random from 1 to 7.
Toss a coin.
Choose a letter at random from the word SCHOOL.
3
What is the probability that you draw the
ace of diamonds
from the deck?
1/13
0
1/4
1/52
4
If an event is
certain to occur
, it has a probability of zero.
True
False
5
A women has three sons. What is the theo. probability that her next child will be a girl?
0
1/4
1/2
1/8
6
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
7
Two events are independent if the occurrence of one doesn't affect the probability of the other
True
False
8
Two dice are rolled. What is the probability that the sum is 12?
1/6
1/12
1/36
0
9
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
True
False
10
An event with a probability of 0.1 ...
is certain to occur.
is very likely to occur.
is not very likely to occur.
cannot occur.
11
What is experimental probability?
The probability based on what should happen.
The probability based on what has happened?
12
Given a bag with 12 red and 7 green marbles, what is the odds of randomly selecting a
red
one?
1/2
7/12
12/19
7/19
13
Two coins are tossed. What is the theoretical probability of getting two heads, P(HH)?
1/4
1
1/2
0
14
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
1/4
1/2
0
1/13
15
On a single roll of a standard die, what is the probability that an odd number will appear?
1/6
3/6
1
0
16
What is sample space, S?
The favorable outcomes of an event.
The total possible outcomes of an event.
The area where samples are.
17
If I toss a fair coin, what is the probability that tails appears?
1
None of the these
0
1/2
18
You roll a fair six-sided die once. What is the probability of getting an
even number
?
1/3
0
1/2
1/6
19
What is the probability that a number less than 7 will appear when you roll a die one time?
1
0
1/2
1/6
20
If I toss a fair coin twice and get TT, what is the theo. probability of getting tails next?
2/3
1
0
1/2
21
What is the odds of rolling a 7 when you roll one standard die one time?
3/6
0
5/6
1/6
22
If an event is
impossible
, it has a probability of zero.
False
True
23
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/2
1/4
1/13
0
24
What is the probability of rolling a number
greater than 4
?
1/2
1
1/3
0
25
What is theoretical probability?
The probability based on what has happened.
The probability that should happen.
26
What is the probability that you draw an
ace
from a well-shuffled deck?
1/13
0
1/2
1/4
