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Fill in the blanks: 1. The distribution function F (X) is equal to _______ 2. Two types of random variables are ______ and ______3. Probability mass function is also called ______ 4. Cumulative distribution function is also called ________ 5. Probability density function is also called ______ and _______6. d F(x) is known as ______ of X. 7. E(X) is denoted by _______ 8. Variance is a measure of ______ or _______ of X. 9. Standard deviation is defined as _______ 10. Mean is the _______ of a density. Variance is the ________ of a density. |
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Answer» 1. P(X ≤ x) 2. discrete and continuous 3. discrete probability function 4. distribution function 5. continuous probability function, integrating the density function 6. probability differential 7. µx 8. the spread, dispersion of the density 9. √Var[X] 10. center of gravity, the moment of inertia. |
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