Better Students Ask More Questions.
Given a normal distribution of values for which the mean is 70 and the standard...
1 Answer | add yours
Given mean `mu=70`
Standard deviation `sigma=4.5`
From a standard normal table we find that the probability of a z-value less than -1.777 is 0.0377.
Therefore, the probability that a value is less than 62 is approximately 3.77 percent.
Posted by llltkl on July 25, 2013 at 3:03 PM (Answer #1)
Join to answer this question
Join a community of thousands of dedicated teachers and students.