(adsbygoogle = window.adsbygoogle || []).push({}); Phi- normal distribution (how to look normal tables!!!)

hello, can anyone please tell me how to look up values for the following from the "normal table" distribution.

[tex] \phi^-1(0.25) [/tex]

ans. is -0.68 but i can't figure out how the **** it is so!!!

so please someone reply fast 'cause this simple thing is unnecessarily wasting my time!!!

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# Phi- normal distribution (how to look normal tables )

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