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Ch 5 Probability Final Exam Review Flashcards | StudBud
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Ch 5 Probability Final Exam Review
Ch 5 Probability Final Exam Review
28 terms
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StudBud Administration
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Probability questions for statistics class.
Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
If I toss a fair coin, what is the probability that tails appears?
1
1/2
0
None of the these
2
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
False
True
3
On a single roll of a standard die, what is the probability that an odd number will appear?
1/6
0
3/6
1
4
Two coins are tossed. What is the probability of getting two heads, P(HH)?
1/2
0
1/4
1
5
What is theoretical probability?
The probability based on what has happened.
The probability that should happen.
6
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.
7
What is the probability that a number less than 7 will appear when you roll a die one time?
1/6
1/2
0
1
8
What is the probability of rolling a number
greater than 2
?
2/3
1/3
1/2
0
9
What is the odds of rolling a 7 when you roll one standard die one time?
1/6
5/6
3/6
0
10
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
0
1/13
1/2
1/4
11
What is the probability of randomly choosing a vowel (a,e,i,o,u) from Saint Gregory ?
5/12
4/5
1/3
None of these.
12
An event with a probability of 0.1 ...
is certain to occur.
is not very likely to occur.
cannot occur.
is very likely to occur.
13
What is sample space, SS?
The area where samples are.
The favorable outcomes of an event.
The total possible outcomes of an event.
Where the library books are
14
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
15
What is experimental probability?
The probability based on what has happened.
The probability based on what has should happen?
16
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/4
1/13
0
1/2
17
If an event is
impossible
, it has a probability of zero.
False
True
18
A women has three sons. What is the probability that her next child will be a girl?
1/4
1/8
0
1/2
19
Two events are independent if the occurrence of one doesn't affect the probability of the other
True
False
20
What is the probability you draw an Ace from a deck of cards?
1/2
0
1/13
1/4
21
What is the probability that you draw an
ace of diamonds
from a deck of cards?
1/13
0
1/52
1/4
22
What are independent events?
Events where the probabilities ARE NOT related.
Events where the probabilities ARE related.
23
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
0
5/6
3/6
1/6
24
If an event is
certain to occur
, it has a probability of zero.
False
True
25
Given a bag with 12 red and 7 green marbles, what is the odds of randomly selecting a
red
one?
7/19
7/12
1/2
12/19
26
You roll a six-sided die once. What is the probability of getting an
even number
?
1/6
1/3
1/2
0
27
What are dependent events?
Events where the probabilities ARE NOT related.
Events where the probabilities ARE related.
28
Two dice are rolled. What is the probability that the sum is 12?
1/6
0
1/12
1/36
