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

Question

Let z be a normal random variable with mean ($\mu$)equal to 0 and standard deviation ($\sigma$)of 1.What is P(z < 1.3)?
A)0.4032
B)0.9032
C)0.0968
D)0.3485
E)0.5485

Quizplus · Accepted Answer

We need to find the probability that z is less than 1.3. This can be calculated as the area under the standard normal distribution curve to the left of 1.3. Using a table or calculator, we find that this probability is approximately 0.9032.

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

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