Discrete Random Variables The Expected Value of X and VarX

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A Level Maths revision tutorial video.

  1. Maths Genie
  2. maths
  3. revision
  4. E(X)
  5. E(X^2)
  6. Var(X)
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Комментарии
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Your work is so damn underrated. Just to let you know, I appreciate every single video you make.

daddytachanka
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Best video as compared to all probability distribution video

akavipenthusiast
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thanks man iv been struggling with this you really helped

merithfox
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Tnk you so much for sharing, this helped me a lot, and I gained more understanding, tysm...new sub❤️

ajstar_love
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This is so amazing guy, thank you so much.

batungwakabovictor
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I can't understand why the probabilities won't be squared when we are finding E(X^2)? Thank you in advance

andrewl
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Has this ever come up in the new specification?

hamzahwaheed
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you are not taking square root at the end of the variance

KanzaIltaf
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thank u. my discrete professor sucks balls at teaching

yungzed