A random variable is normally distributed with a mean of 25 and a standard deviation of 5. If an observation is randomly selected from the distribution, what value will 15% of the observations be below?
A. 19.8
B. 16.2
C. 18.7
D. 17.2
Answer:A
A random variable is normally distributed with a mean of 25 and a standard deviation of 5. If an observation is randomly selected from the distribution, what value will 15% of the observations be below?
A. 19.8 B. 16.2 C. 18.7 D. 17.2