Question: I need to find the values for z using a table given in the back of my book but I don't know how to guess

I need to find the values for z using a table given in the back of my book but I don't know how to guess z since there are a lot of 0.99...... values or 0.5.. etc

(a) P(Z < z) = 0.99, (b) P (Z > z) = 0.5, (c) P(Z > z) = 0.01, (d) P(Z > z) = 0.95, (e) P( -1.28 < Z < z) = 0.85

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