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If z is defined by Find its values for a

If zα is defined by

Find its values for

(a) α = 0.05;

(b) α = 0.025;

(c) α = 0.01;

(d) α = 0.005.

Find its values for

(a) α = 0.05;

(b) α = 0.025;

(c) α = 0.01;

(d) α = 0.005.

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