Sagot :
Answer:
z=3 2.
P(2.<x<3) = 0.0214
P(x<2. or x>3) = 0.9786
P(x<2.) = 0.97725
P(x>3) = 0.0013499
z = 2.32 3.
P(2.32<x<3.) = 0.0088205
P(x<2.32 or x>3.) = 0.99118
P(x<2.32) = 0.98983
P(x>3.) = 0.0013499
z = -2.5
P(2.<x<5) = 0.02275
P(x<2. or x>5) = 0.97725
P(x<2.) = 0.97725
P(x>5) = 0
Step-by-step explanation: