Multiple Choice
For a normal curve,if the mean is 20 minutes and the standard deviation is 5 minutes,then the area between 11 and 19 minutes is:
A) 0.4641.
B) 0.0359.
C) 0.3848.
D) 0.8848.
E) 0.9641.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q55: If the z-value for a given value
Q56: In 1997,private planes had 1.5 fatal crashes
Q57: Like the normal distribution,the exponential density function
Q58: An efficiency expert makes periodic checks for
Q59: The z-score representing the 75th percentile of
Q61: What are continuous probability distributions?
Q62: In the normal distribution,the total area beneath
Q63: A local radio station maintains a very
Q64: A computer statistical package has simulated
Q65: An elementary school teacher learned that 40