Linear Combinations 2.3 sum and difference - normal

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Sum and Difference of normally distributed variables
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Комментарии
Автор

Life Saver, I have a really big test and you literally saved me from drowning, Thank

alhusseinfarah
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You are a life saver..thank you so much

zainsyed
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at 1:30 under 'difference' should it be 'sigma^2 + sigma^2' not 'sigma + sigma'?

isaaclee
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Hi, So what about Var(nX) = (n^2)VarX?
Where does this apply to?

oneinabillion
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2:40 you got the phi symbol or thetha or whatever it's called you said get a table but I dunno which one I tried using z tables to get the final answer but I'm stuck.i can do everything up until that bit. Plz help me.

tayyibali
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MRS O'GRAM I LOVE U SO MUCH U R MY LIFESAVER I HOPE SOMEONE SURPRISES U WITH A HOT CHOCOLATE TODAY

anonymousbeaver