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RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS
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RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS – MCQs
44 questions. Click to practice.
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Correct options are highlighted when revealed.
1.
How many two-digit numbers exist in total?
2
90
99
100
10
2.
Which of the following can describe a random variable?
constant
continuous
countable
either countable or continuous
3.
Given that E(X) represents the expected value of the random variable X, what is the value of E[X - E(X)]?
E(X) minus E(X)
E(X) subtract zero
Zero
Sum of E(X) and E(X)
Cannot be determined
4.
A discrete random variable is a real-valued function defined on which type of sample space?
Discrete
Continuous
Metric
None of the above
Random
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