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Probability questions for statistics class. #probability
Flashcards
20 cards
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Questions
20
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
What is the probability of rolling a number
greater than 4
?
0
1/2
1/3
1
3
Two coins are tossed. What is the probability of getting two heads, P(HH)?
1/4
1/2
0
1
4
What are independent events?
Events where the probabilities ARE related.
Events where the probabilities ARE NOT related.
5
What is the probability that a number less than 7 will appear when you roll a die one time?
1
1/6
1/2
0
6
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
1/4
1/13
1/2
0
7
If I toss a fair coin twice and get TT, what is the probability that tails appears next toss?
1/2
0
2/3
1
8
You roll a fair six-sided die once. What is the probability of getting an
even number
?
1/6
1/3
1/2
0
9
Two dice are rolled. What is the probability that the sum is 12?
0
1/12
1/6
1/36
10
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
True
False
11
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
12
What is the probability that you draw the
ace of diamonds
from the deck?
1/52
1/4
1/13
0
13
What are dependent events?
Events where the probabilities ARE NOT related.
Events where the probabilities ARE related.
14
On a single roll of a standard die, what is the probability that an odd number will appear?
1
0
3/6
1/6
15
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
3/6
5/6
1/6
0
16
If I toss a fair coin, what is the probability that tails appears?
0
1
1/2
None of the these
17
What is the probability that you draw an
ace
from a well-shuffled deck?
1/13
0
1/2
1/4
18
Two events are independent if the occurrence of one doesn't affect the probability of the other
True
False
19
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/4
1/2
1/13
0
20
What is the odds of rolling a 7 when you roll one standard die one time?
5/6
1/6
3/6
0
