It is a variable being measured to produce numerical observations associated with the random outcomes of a chance experiment.
NAT REVIEW 2023

Quiz
•
Mathematics
•
University
•
Hard
Joanna Gonzales
Used 157+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
fixed variable
dependent variable
independent variable
random variable
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a random experiment, what are possible outcome if a coin is tossed once?
Tail (T) and Head (H)
The number of dots 1,2,3,4,5,6
Tail and Tail (TT), and Head and Head (HH)
The pair of even number of dots (2,2),(2,4),(2,6),(4,2),(4,4),(4,6),(6,2),(6,4) and (6,6)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A fair coin is tossed three times and the sequence of
heads (H) and tails (T) is observed.
What is the probability that no heads will appear?
1/8
2/3
3/8
5/8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a discrete random variable?
The number of patients in a hospital.
The average weight of female athletes.
The average amount of electricity consumed.
The amount of paint used in repainting a building.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is a list, a table, a graph, or a formula of probabilities associated with each of its possible values.
Bar Chart
Normal Distribution
Probability Distribution Function
Frequency Distribution Table
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Does the following table represent a probability distribution?
Yes, because each value of F(X) is between 0 and 1, and the sum of all values of F(X) is 1.
No, because each value of F(X) is between 0 and 1.
No, because the sum of all values of F(X) is 1.
Yes, because all values of F(X) are the same.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which probability value would satisfy the given probability distribution?
0.16
0.17
0.18
0.19
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