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# stats 2 inverse tables normal distribution Watch

1. Hey

I looked at this question last night and couldn't get my head around the way they had set it out(more specifically the sign). So I looked at it again today but I still don't understand. It's quite annoying because I know it isn't that hard lol Please see attached. I will give rep to anyone that explains it so that I can understand
Attached Images

2. (Original post by CasualSoul)
Hey

I looked at this question last night and couldn't get my head around the way they had set it out(more specifically the sign). So I looked at it again today but I still don't understand. It's quite annoying because I know it isn't that hard lol Please see attached. I will give rep to anyone that explains it so that I can understand
If P(X<k) = 0.05

Then you want

This is not normally in inverse tables.

However,

It may help to visualise/sketch the symmetry of the Normal distribution, to understand it.
3. (Original post by ghostwalker)
If P(X<k) = 0.05

Then you want

This is not normally in inverse tables.

However,

It may help to visualise/sketch the symmetry of the Normal distribution, to understand it.
Thank you so much

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Updated: April 13, 2013
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