Solution:
A)
P(0 < z < 2.4)
= P(z < 2.4) - P(z < 0)
= 0.9918 - 0.5000 Using standard normal table,
Probability = 0.4918
B)
P( -1.85 < z < 0.55)
= P(z < 0.55) - P(z < -1.85)
= 0.7088 - 0.0322 Using standard normal table,
Probability = 0.6766
C)
P(Z > -1.95 )
= 1 - P(Z < -1.95 )
= 1 - 0.0256 Using standard normal table,
Probability = 0.9744
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