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, determine two values of which the smallest has 25% of the values below it and the largest has 25% of the values above it.
A. 18.85 and 27.94
B. 19.31 and 21.12
C. 16.23 and 18.82
D. 21.65 and 28.35
Answer:D
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, determine two values of which the smallest has 25% of the values below it and the largest has 25% of the values above it.
A. 18.85 and 27.94 B. 19.31 and 21.12 C. 16.23 and 18.82 D. 21.65 and 28.35