Discrete Random Variables The Expected Value of X and VarX

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Maths Genie

Maths Genie

6 жыл бұрын

A Level Maths revision tutorial video.
For the full list of videos and more revision resources visit www.mathsgenie.co.uk.

Пікірлер: 23
@daddytachanka8076
@daddytachanka8076 5 жыл бұрын
Your work is so damn underrated. Just to let you know, I appreciate every single video you make.
@akavipenthusiast
@akavipenthusiast 3 ай бұрын
Best video as compared to all probability distribution video
@merithfox
@merithfox Жыл бұрын
thanks man iv been struggling with this you really helped
@jorgeluisdone4602
@jorgeluisdone4602 8 ай бұрын
Great video mate, keep it up!
@ajstar_love
@ajstar_love Жыл бұрын
Tnk you so much for sharing,this helped me a lot,and I gained more understanding,tysm...new sub❤️
@batungwakabovictor7429
@batungwakabovictor7429 6 ай бұрын
This is so amazing guy, thank you so much.
@ultikillerrrr
@ultikillerrrr Жыл бұрын
thank you for this
@yunus07akar
@yunus07akar 3 ай бұрын
excellent
@lewisteya8195
@lewisteya8195 5 ай бұрын
Awesome work
@As___.18
@As___.18 Ай бұрын
Thank you for Iraq ❤❤ you are great 😃
@tomwatching
@tomwatching 8 ай бұрын
Cheers mate!
@WolfsmithXP
@WolfsmithXP 2 жыл бұрын
They made me watch this in stats
@akavipenthusiast
@akavipenthusiast 3 ай бұрын
Thanks Man ❤
@drtheman9074
@drtheman9074 Жыл бұрын
i also am a big fan of big buff men
@hamzahwaheed9528
@hamzahwaheed9528 5 ай бұрын
Has this ever come up in the new specification?
@Rohitjamma123
@Rohitjamma123 Жыл бұрын
Anyone from India here?
@akavipenthusiast
@akavipenthusiast 3 ай бұрын
Jai HIND
@andrewl372
@andrewl372 6 ай бұрын
I can't understand why the probabilities won't be squared when we are finding E(X^2)? Thank you in advance
@reanimatorism
@reanimatorism 6 ай бұрын
because the square is on the x that means we would square the x values
@andrewl372
@andrewl372 6 ай бұрын
@@reanimatorism thank you
@KanzaIltaf
@KanzaIltaf Жыл бұрын
you are not taking square root at the end of the variance
@sultown4343
@sultown4343 17 күн бұрын
that's only needed to get standard deviation.
@yungzed
@yungzed 8 ай бұрын
thank u. my discrete professor sucks balls at teaching
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