Prob Stat Chapter 5 Practice
Quiz
β’
Mathematics
β’
11th Grade
β’
Practice Problem
β’
Hard
Anthony Clark
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
The set of all possible outcomes of an experiment.
Probability
Sample Space
Combination
Permutation
2.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
A variable that can take on a finite number of distinct values.
Random
Independent
Discrete
Dependent
3.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
A list of the possible values of random variable and the corresponding probabilities of the values.
Outcomes
Probability Distribution
Experiment
Continuous Random Variable
4.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
What is the sum of all probabilities of all values of the random variable?
-1
0
1
2
5.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
A marketing survey compiled data on the number of cars in households. If X = the number of cars in a randomly selected household, and we omit the rare cases of more than 5 cars, then X has the probability distribution shown. What is the probability that a randomly chosen household has at least two cars?
0.20
0.29
0.39
0.61
6.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
Is the following a probability distribution?
Yes, because all of the probabilities are between 0 and 1 inclusive and the sum of all the probabilities is 1.
No, all probabilities are not be between 0 and 1 inclusive
No, the sum of all the probabilities is not 1.
Yes, because the distribution is symmetric
7.
FILL IN THE BLANK QUESTION
1 min β’ 1 pt
The following table represents the probability distribution X, the employment status of adults in a city.
What is the probability that the adults isn't retired?
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