Let z be a normal random variable with mean ($\mu$)0 and standard deviation ($\sigma$)of 1.What is P(1.3

Name: Let z be a normal random variable with mean ($\mu$)0 and standard deviation ($\sigma$)of 1.What is P(1.3 < z < 2.3)? A)0.4032 B)0.9032 C)0.4893 D)0.0861 E)0.0086
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Question

Let z be a normal random variable with mean ($\mu$)0 and standard deviation ($\sigma$)of 1.What is P(1.3 < z < 2.3)?
A)0.4032
B)0.9032
C)0.4893
D)0.0861
E)0.0086

Quizplus · Accepted Answer

The probability P(1.3 < z < 2.3) can be found using the standard normal distribution table or a calculator. It is the difference between the cumulative probabilities at z = 2.3 and z = 1.3, which is approximately 0.0861.

Let Z Be a Normal Random Variable with Mean μ\muμ )0 and Standard Deviation

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