SOLUTION: The mean of the times it takes a commuter to get to work in Baltimore is 29.7 minutes. If the standard deviation is 6 minutes, within what limits would you expect approximately 68%

Algebra.Com
Question 1130759: The mean of the times it takes a commuter to get to work in Baltimore is 29.7 minutes. If the standard deviation is 6 minutes, within what limits would you expect approximately 68% of the times to fall? Assume the distribution is approximately bell-shaped.
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
The mean of the times it takes a commuter to get to work in Baltimore is 29.7 minutes. If the standard deviation is 6 minutes, within what limits would you expect approximately 68% of the times to fall? Assume the distribution is approximately bell-shaped.
Note:: 68% of the population is within one standard deviation of the mean.
---
Answer::
Lower limit:: 29.7-6 = 23.7 minutes
Upper limit:: 29.7+6 = 26.7 minutes
----
Cheers,
Stan H.
------------

RELATED QUESTIONS

The mean of the times it takes a commuter to get to work in Baltimore is 29.7 minutes. If (answered by stanbon,drk)
In a large city, the time taken to travel to work is normally distributed with a mean,... (answered by ewatrrr)
The average commute to work(one way) is 25.5 minutes according to the 2000 census. If we... (answered by stanbon)
PLs hELP!!UrGENT!,,nEED youR cOOperAtion..THANK you>> #1 problem: A local medical... (answered by stanbon)
Trying to encourage people to stop driving to campus, the university claims that on... (answered by ewatrrr)
A student has computed that it takes an average (mean) of 16 minutes with a standard... (answered by stanbon)
Can someone please help me with the following statistic question? (Hypothesis Test... (answered by stanbon)
A commuter bus takes 2 hours to get downtown; an express bus, averaging 25mph faster,... (answered by )
A commuter bus takes 2 hours to get downtown; an express bus, averaging 25mph faster,... (answered by htmentor)