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14 Questions

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4	What is Cumulative Distribution Function of this random variable?
3	What is the closed formula for the following summation?
2	Can we simplify an expression of random variables? (can we treat random variables as real numbers?)
2	what is the joint distribution of these two random variables?
2	What is the Cumulative Distribution Function of the following random variable?

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120 Reputation

+15	What is the closed formula for the following summation?
+5	Are the multiplications of i.i.d random variables , i.i.d?
+5	what is the joint distribution of these two random variables?
+5	Can we simplify an expression of random variables? (can we treat random variables as real numbers?)

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13 Answers

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1	Expected value of a random variable
1	Construct PDA that accepts the language $L = \{ a^nb^{n + m}c^{m}: n \geq 0, m \geq 1 \}$
1	Is this DFA correct for the language $\{w \mid w \in \{ab\}^*\}$?
1	For the language $\{w \mid w \in \Sigma^*, w \neq \lambda\}$, is the following regular expression correct?
1	Is regularity is preserved under reversal?

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20 Tags

3 automata × 5	1 homework × 2
2 regular-language × 6	1 formal-grammar
2 regular-expressions × 2	1 computational-mathematics
1 probability × 16	1 computer-science
1 proof-writing × 2	0 statistics × 15

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$Mathematics Stack Exchange$	Mathematics	120 rep	9
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