Help me solve this

Question

P(-0.76 < Z < 1.93 )

Answer 1

In general, P(–0.76 < Z < 1.93) = ∫_–0.76^1.93p(z)dz so you need to say what the probability density function p(z) is. If instead you know the cumulative density function P(x) ≔ ∫_–∞^xp(z)dz then P(–0.76 < Z < 1.93) = P(1.93) – P(–0.76) also works.