Random Probability
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Anthony Clark
FREE Resource
Enhance your content in a minute
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is the distribution below a probability distribution? Why or why not?
Yes. All P(x) values are between 0 and 1, and ∑P(x) = 1
No, not all P(x) values are between 0 and 1.
No, ∑P(x) ≠ 1.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An algebra 2 test has 6 multiple choice questions with four choices with one correct answer each. If we just randomly guess on each of the 6 questions, what is the probability that you get exactly 3 questions correct?
0.962
0.132
0.831
0.250
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school.What is the probability that exactly 2 of the first 20 blood donors have Type B blood?
0.316
0.282
0.001
Not here
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
X ~ B(20, 0.5)
Find P(X = 7)
0.07
0.13
0.87
0.94
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It is a variable whose values are determined by chance.
Random Variable
Discrete Variable
Continuous Variable
Independent Variable
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A random variable is defined by a rule that assigns a _______________ to every outcome in a sample space.
number
letter
Event
probability
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the numerical quantity assigned to the outcome of an experiment usually denoted by an uppercase letter such as X?
Frequency
Probability
Random variable
Sample
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