The Student Room Group

S1 Prob

How do you work out if two events are statistically independent?
If P(A intersection B) = P(A)P(B) then they are independent innit fam

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Reply 2
Original post by QuantumSuicide
If P(A intersection B) = P(A)P(B) then they are independent innit fam

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Yes, but how does this work?
Original post by zed963
Yes, but how does this work?


Do you mean you want to know why this works?

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Reply 4
Original post by QuantumSuicide
Do you mean you want to know why this works?

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:yep:
Original post by zed963
:yep:


I'm afraid I can help you no more, my friend. Ask dat guy, alow. He's a genius and got 591/600 UMS for a level maths brah

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Reply 6
Original post by QuantumSuicide
I'm afraid I can help you no more, my friend. Ask dat guy, alow. He's a genius and got 591/600 UMS for a level maths brah

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Another question, if the mean>median what does that suggest about skew?
Reply 7
Original post by zed963
Another question, if the mean>median what does that suggest about skew?

Positive skew
Reply 8
Original post by Super199
Positive skew


How ?
Reply 9
Original post by zed963
How ?

I'm afraid I can help you no more, my friend. Ask dat guy, alow. He's a genius and got 591/600 UMS for a level maths brah.

In all seriousness I'm not sure, we were never told. Half the stuff in stats just goes in one ear and comes out the other.
:p:p:p:p

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