this is a statistics question

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qnzvegr07

Mathematics

Description

find the indicated probability using the standard normal table 

p(-3,13<z<3.13

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Explanation & Answer

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Required probability = P(z < - 3.13 or z > 3.13) 
= P(z < - 3.13) + P(z > 3.13) 
The required probability is the area under the standard normal curve lying in the extreme left tail and in the extreme right tail. 
= 0.0049 (area left to z = - 3.13) + 0.0049 (area right to z = 3.13) 
= 0.0098

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