Let Z be a standard normal random variable. Use the z‐table to find P(Z > ‐1.30)?

Find P(Z < -0.51) where Z is the standard normal random variable. Round to 4 decimal places. Answer:

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Suppose that the random variable z has a standard normal distribution. Sketch each of the following z points, and use the normal table to find each z point.  a) z(-0.01)b) z(-0.05)c) z(-0.10)

Let Z be the standard normal random variable. Find P(Z>0.50) 0.0228 0.9772 0.5000 0.3085 0.6915

If z is a standard normal random variable, then P (1.83 < z < 2.38) is:

Let X be the random variable with the following distribution: x: -2 3 5 P(X=x): 0.3 0.2 0.5 Find the mean  four decimal places