z to P Calculator

For

any given value of z, this page will calculate

the respective one-tailed probabilities of —z and +z;
the two-tailed probability of±z;
and the proportion of the normal distribution falling between —z and +z.

To proceed, simply enter the value of z in the designated cell and click "Calculate." Note that the programming for this page is able to perform meaningful probability calculations only for cases where |z|<5.

Click here to see the details
of the sampling distribution
to which any particular value
of z belongs.

z =

Probabilities	P	Text will appear in this box only if the value of \|z\| is greater than 3.75.
one-tailed for —z
one-tailed for +z
two-tailed for ±z
area between ±z

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