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# Standard Normal Distribution Table

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Use the Normal Table to find the following:

a) Probability (z < -2.65)
b) Probability (z > -1.55)
c) Probability (-2.00 < z < 2.25)
d) Probability ( 1.25 < z < 2.40)

##### Solution Summary

Using standard normal distribution table has been used to calculate probabilities in the solution.

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a) Probability (z < -2.65)

In the tables prob values for only positive z is given

We will look up Cumulative probability for Z = 2.65

This is equal to 0.4960
This means the probability from z=0 to z= 2.65 is 0.4960

Since the normal distribution is symmetric this is also equal to probability from z=0 to z= -2.65

Probability (z < -2.65) = 0.5 - Prob ( Z= 0 to ...

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