Question

a) Pr{Z < 0.63} b) Pr{Z ≥ −0.63} c) Pr{−2.12 < Z < 2.12} d) Pr{−2.12...

a) Pr{Z < 0.63}

b) Pr{Z ≥ −0.63}

c) Pr{−2.12 < Z < 2.12}

d) Pr{−2.12 < Z < 0.0}

e) Pr{−4.00 < Z < 0.0}

f) Pr{Z < −1.32 or Z > 1.32} (you want the probability that Z is outside the range −1.32 to 1.32)

g) Pr{−1.32 < Z < 1.32}

h) Add (f) and (g). Are you surprised? Why or why not?

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