Complete Question
What is the probability that a normal random variable will take a value that is less than 1.05 standard deviations above its mean? In other words, what is P(Z < 1.05)
A 0.8531
B 0.1468
C 0.9332
D 0.0668
Answer:
The correct option is A
Explanation:
Generally from the z table the area under the normal curve to the left corresponding to 1.05 is
![P(Z < 1.05) = 0.8531](https://img.qammunity.org/2021/formulas/mathematics/college/951nudklqksztfpgfum2oo6qv3t031izsb.png)