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STATS I AUEB: intro to probability Flashcards | StudBud
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STATS I AUEB: intro to probability
STATS I AUEB: intro to probability
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Test your knowledge on probability. #statistics
Flashcards
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Questions
19
Answers
1
What does the area ABC in the Venn diagram below represent?
The union of events A,B,C
The intersection of events A,B,C
The subtraction of A from B∩C
The complement of A∩B
2
Answer the question of the image below.
True
False
3
Answer the question of the image below.
True
False
4
Which of the following pairs regard events that are not independent?
Growing the perfect tomato and owning a cat.
Parking your vehicle illegally and getting a parking ticket.
Taking a taxi ride and getting a free meal at your favorite restaurant.
Raining and street garbage collection by the municipal officials.
5
Answer the question of the image below.
2/52
1/24
4/52
1/52
6
State which of the below is not a random experiment:
Measuring the temperature boiling point for water.
Recording the average daily value of a stock in the stock market.
Recording the number of heads in 10 subsequent coin tossings.
Recording the path mice follow from a starting point to find food hidden.
7
What does the yellow area in the Venn diagram below represent?
A∩B
A\B (subtraction)
The complement of B.
A ∪ B
8
Answer the question of the image below.
0.177
0.651
0.345
0.269
9
Answer the question of the image below.
0.425
0.715
0.82
0.99
10
There can be negative probability.
False
True
11
The probability of missing a plane may be 1.3.
True
False
12
If A is an event and A' is its complementary event, then P(A)+P(A')=1.
True
False
13
The intersection A∩B of the events A={3, 2, 5, 7} and B={1, 3, 5, 11} is:
{ 1, 2, 3, 5, 7, 11 }
{ 3, 5 }
{ 7, 11 }
{ 3, 2 }
14
Answer the question of the image below.
0.7
0.38
0.3
0.15
15
Answer the question of the image below.
5.7%
11.0%
8.2%
3.1%
16
Flip 2 fair coins. What is the probability of getting a head on the 1st flip followed by a head or tail on the 2nd flip.
1/8
¾
2/4
¼
17
Answer the question of the image below.
0.585
0.90
0.68
0.33
18
Which of the following pairs regard events that are mutually exclusive?
Running and walking.
Driving while listening to the radio.
Loosing a game and scoring.
Raining on a cloudy day.
19
The union A ∪ B of the events A={3, 2, 5, 7} and B={1, 3, 5, 11} is:
{ 1, 2, 3, 5, 7, 11 }
{ 1, 2, 3, 3, 5, 7, 11 }
{ 1, 2, 3, 5, 5, 7, 11 }
{ 1, 5, 7, 11 }
