nicefella

Member for 10 years, 9 months
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Cardinality of a set A is strictly less than the cardinality of the power set of A

Apr 8, 2013

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Does there exist a continuous bijective function $ \displaystyle f : \Bbb R \rightarrow \Bbb R − \{1\}$?

Mar 25, 2013

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If A is a denumerable set, and there exists a surjective function from A to B, then B is denumerable

Apr 1, 2013

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Let $A$ be any uncountable set, and let $B$ be a countable subset of $A$. Prove that the cardinality of $A = A - B $

Apr 8, 2013

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Expected value of joint probability density functions

Mar 27, 2013

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Find $E(XY)$ assuming no independence with $E(X) = 4$, $E(Y) = 10$, $V(X) = 5$, $V(Y) = 3$, $V(X+Y) = 6$.

Apr 3, 2013

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