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WorksheetsUnit 4 Week 1 Live Session
Total questions: 20
Worksheet time: 20mins
Patterns in data ____ mean that variation is not random.
do not
do
A ____ generates results that are determined by chance.
random process
outcome
event
simulation
The result of a trial of a random process is called a(n) ____.
outcome
event
simulation
sample spce
A(n) ____ is a collection of outcomes.
event
random process
simulation
sample space
____ is a way to model random events, such that ____ outcomes closely match ____ outcomes.
Simulation;
simulated;
real-world
Simulation;
real-world;
simulated
Random process;
random;
real-world
Random process;
real-world;
random
True or False
The relative frequency of an outcome or event in simulated or empirical data can be used to estimate the probability of that outcome or event.
True
False
Which of the following states that simulated (empirical) probabilities tend to get closer to the true probability as the number of trials increases?
The Law of Large Numbers
The Empirical Rule
Theoretical Probability
Random Process
Which of the following is the correct definition of the sample space of a random process?
The set of all possible non-overlapping outcomes.
The set of all possible overlapping outcomes.
The set of all possible independent outcomes.
The set of all possible outcomes.
If all outcomes in the sample space are equally likely, then the probability an event E will occur is defined as the fraction:
Which of the following could not be the probability of an event?
-0.3
0
1
0.0048
The probability of an event is 27%. Which of the following is the probability of the complement of the event?
1 - 0.27
1 + 0.27
2(27%)
(27%)/2
When rolling a single die repeated, the probability of rolling a 3 in the long run approaches?
1/6
1/2
1/3
cannot be determined each roll is independent
Which of the following is not true about joint probability?
It is used to show independence.
It is the probability that events A and B both will occur.
It is the probability of the intersection of A and B.
It is denoted P(A ∩ B).
Which of the pairs of events are not mutually exclusive?
Today is Saturday.
It is snowing today.
In a fair deck of cards...
Drawing a red card.
Drawing a club.
Going to the mall at the same time you go to church.
When tossing a coin...
Getting a head.
Getting a tail.
What is the sample space shown?
yellow, orange, blue, green, red, maroon
54 dots
colored dots
6, 12, 12, 13, 6, 5
Event: the worker is wearing a striped shirt.
Which outcomes satisfy the event?
Worker 3 and Worker 5
Worker 1 and Worker 4
Worker 1, Worker 2, Worker 3, Worker 4, and Worker 5
Worker 1, Worker 2, and Worker 4
The letters in the word "STATISTICS" are placed in a bag. What is the probability of not drawing a "T"?
0.7
0.3
2/3
1/3
If A and B are mutually exclusive, which of the following must be true?
P(A ∩ B) = 0
P(A ∪ B) = P(A) + P(B)
P(A|B) = P(A)
P(A) + P(B) = 1
A practice AP Stats quiz has 10 multiple-choice questions and each question has 5 possible answers (A, B, C, D, or E). Which option would best simulate this scenario?
What is the probability of drawing a red or green marble from the bag?
2/5
4/9
2/45
3/5
