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Methods CAS questions...

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costargh:
Its an exam 1 question... LOL

But still... what the hell did you just plug into your calc? I've never seen that before. Well I've seen it but I dont know what it does =S

melanie.dee:
how can it be exam one, its a multi choice? plus i dont see how you could do it, unless you had cumulative normal dist table.. which you dont anymore

um in the calc go to catalog, F3, go down to InvNorm, select that, then put in the probability so .95, then the mean, then the SD.

so InvNorm(.95,0,1)

that gives you the value

melanie.dee:
is this from an old exam maybe, where they didnt have the non calc and non notes exam? and where they used to give you cnd tables? cos i dont see how else you could do that, but someone might prove me wrong

cara.mel:

--- Quote from: "melanie.dee" ---is this from an old exam maybe, where they didnt have the non calc and non notes exam? and where they used to give you cnd tables? cos i dont see how else you could do that, but someone might prove me wrong
--- End quote ---


I agree, it can't be exam 1, your exam 1 is exactly the same as normal methods (Which means for probability questions where you could solve it with a matrix, unless you own at matrices by hand draw a tree diagram)

I can't do these questions any more xD, like I have a rough idea of what to do but thats all.

Freitag:
It's a calculator assisted paper. I did it not long ago.

The second question refers to a matrix and it's determinant not equaling 0.

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