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

Name: Let z be a normal random variable with mean ($\mu$)0 and standard deviation ($\sigma$)of 1.What is P(z < -2.1)? A)0.4821 B)-0.4821 C)0.9821 D)0.0179 E)-0.0179
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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(z < -2.1)?
A)0.4821
B)-0.4821
C)0.9821
D)0.0179
E)-0.0179

Quizplus · Accepted Answer

Using a standard normal distribution table or calculator, we can find that the probability of a normal random variable being less than -2.1 is approximately 0.0179.

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

Let Z Be a Normal Random Variable with Mean $\mu$ )0 and Standard Deviation